Type confusion in DevTools in Google Chrome prior to 111.0.5563.64 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted UI interaction. (Chromium security severity: Low)

**Chrome Releases**

Release updates from the Chrome team

CVE-2023-1235: Stable Channel Update for Desktop

Use after free in Swiftshader in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CVE-2023-1213

Inappropriate implementation in Permission prompts in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)

CVE-2023-1229

Type confusion in V8 in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CVE-2023-1214

Insufficient policy enforcement in Resource Timing in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to obtain potentially sensitive information from API via a crafted HTML page. (Chromium security severity: Low)

CVE-2023-1232

Inappropriate implementation in Internals in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to spoof the origin of an iframe via a crafted HTML page. (Chromium security severity: Low)

CVE-2023-1236

More than 4% of employees have put sensitive corporate data into the large language model, raising concerns that its popularity may result in massive leaks of proprietary information.

Employees are submitting sensitive business data and privacy-protected information to large language models (LLMs) such as ChatGPT, raising concerns that artificial intelligence (AI) services could be incorporating the data into their models, and that information could be retrieved at a later date if proper data security isn't in place for the service.

In a recent report, data security service Cyberhaven detected and blocked requests to input data into ChatGPT from 4.2% of the 1.6 million workers at its client companies because of the risk of leaking confidential information, client data, source code, or regulated information to the LLM. 

In one case, an executive cut and pasted the firm's 2023 strategy document into ChatGPT and asked it to create a PowerPoint deck. In another case, a doctor input his patient's name and their medical condition and asked ChatGPT to craft a letter to the patient's insurance company.

And as more employees use ChatGPT and other AI-based services as productivity tools, the risk will grow, says Howard Ting, CEO of Cyberhaven.

"There was this big migration of data from on-prem to cloud, and the next big shift is going to be the migration of data into these generative apps," he says. "And how that plays out \[remains to be seen\] — I think, we're in pregame; we're not even in the first inning."

With the surging popularity of OpenAI's ChatGPT and its foundational AI model — the Generative Pre-trained Transformer or GPT-3 — as well as other LLMs, companies and security professionals have begun to worry that sensitive data ingested as training data into the models could resurface when prompted by the right queries. Some are taking action: JPMorgan restricted workers' use of ChatGPT, for example, and Amazon, Microsoft, and Wal-Mart have all issued warnings to employees to take care in using generative AI services.

    

More users are submitting sensitive data to ChatGPT. Source: Cyberhaven

And as more software firms connect their applications to ChatGPT, the LLM may be collecting far more information than users — or their companies — are aware of, putting them at legal risk, Karla Grossenbacher, a partner at law firm Seyfarth Shaw, warned in a Bloomberg Law column.

"Prudent employers will include — in employee confidentiality agreements and policies — prohibitions on employees referring to or entering confidential, proprietary, or trade secret information into AI chatbots or language models, such as ChatGPT," she wrote. "On the flip side, since ChatGPT was trained on wide swaths of online information, employees might receive and use information from the tool that is trademarked, copyrighted, or the intellectual property of another person or entity, creating legal risk for employers."

The risk is not theoretical. In a June 2021 paper, a dozen researchers from a Who's Who list of companies and universities — including Apple, Google, Harvard University, and Stanford University — found that so-called "training data extraction attacks" could successfully recover verbatim text sequences, personally identifiable information (PII), and other information in training documents from the LLM known as GPT-2. In fact, only a single document was necessary for an LLM to memorize verbatim data, the researchers stated in the paper.

**Picking the Brain of GPT**

Indeed, these training data extraction attacks are one of the key adversarial concerns among machine learning researchers. Also known as "exfiltration via machine learning inference," the attacks could gather sensitive information or steal intellectual property, according to MITRE's Adversarial Threat Landscape for Artificial-Intelligence Systems (Atlas) knowledge base.

It works like this: By querying a generative AI system in a way that it recalls specific items, an adversary could trigger the model to recall a specific piece of information, rather than generate synthetic data. A number of real-world examples exists for GPT-3, the successor to GPT-2, including an instance where GitHub's Copilot recalled a specific developer's username and coding priorities.

Beyond GPT-based offerings, other AI-based services have raised questions as to whether they pose a risk. Automated transcription service Otter.ai, for instance, transcribes audio files into text, automatically identifying speakers and allowing important words to be tagged and phrases to be highlighted. The company's housing of that information in its cloud has caused concern for journalists.

The company says it has committed to keeping user data private and put in place strong compliance controls, according to Julie Wu, senior compliance manager at Otter.ai.

"Otter has completed its SOC2 Type 2 audit and reports, and we employ technical and organizational measures to safeguard personal data," she tells Dark Reading. "Speaker identification is account bound. Adding a speaker’s name will train Otter to recognize the speaker for future conversations you record or import in your account," but not allow speakers to be identified across accounts.  

**APIs Allow Fast GPT Adoption**

The popularity of ChatGPT has caught many companies by surprise. More than 300 developers, according to the last published numbers from a year ago, are using GPT-3 to power their applications. For example, social media firm Snap and shopping platforms Instacart and Shopify are all using ChatGPT through the API to add chat functionality to their mobile applications.

Based on conversations with his company's clients, Cyberhaven's Ting expects the move to generative AI apps will only accelerate, to be used for everything from generating memos and presentations to triaging security incidents and interacting with patients.

As he says his clients have told him: "Look, right now, as a stopgap measure, I'm just blocking this app, but my board has already told me we cannot do that. Because these tools will help our users be more productive — there is a competitive advantage — and if my competitors are using these generative AI apps, and I'm not allowing my users to use it, that puts us at a disadvantage."

The good news is education could have a big impact on whether data leaks from a specific company because a small number of employees are responsible for most of the risky requests. Less than 1% of workers are responsible for 80% of the incidents of sending sensitive data to ChatGPT, says Cyberhaven's Ting.

"You know, there are two forms of education: There's the classroom education, like when you are onboarding an employee, and then there's the in-context education, when someone is actually trying to paste data," he says. "I think both are important, but I think the latter is way more effective from what we've seen."

In addition, OpenAI and other companies are working to limit the LLM's access to personal information and sensitive data: Asking for personal details or sensitive corporate information currently leads to canned statements from ChatGPT demurring from complying.

For example, when asked, "What is Apple's strategy for 2023?" ChatGPT responded: "As an AI language model, I do not have access to Apple's confidential information or future plans. Apple is a highly secretive company, and they typically do not disclose their strategies or future plans to the public until they are ready to release them."

Employees Are Feeding Sensitive Biz Data to ChatGPT, Raising Security Fears

By working together as an industry, we can develop the technologies needed to account for human error.

With more than 20 years of experience in security, I'm more attuned to the nuances of sophisticated phishing schemes than most people. But as cybercriminals adopt more advanced tactics to steal people's data, even the most seasoned security experts can fall victim. 

In 2021, there were more than 4,145 publicly disclosed breaches that exposed information across 22 billion records. And as phishing increased in 2022, 82% of breaches involved a "human element," meaning that individuals played a role in exposing their own or their companies' secrets. 

Fortunately, technology came to my rescue one recent morning (pre-coffee, I might add), after I was almost lured in. When I clicked the link in an email purporting to be from my credit card company, my password didn't automatically autofill — a telltale sign that the URL didn't match a website for which I'd input login information. I took a closer look: Sure enough, the URL was slightly off. 

I'm not the only one on my team who's been targeted. Here are a few examples of scams that security pros almost fell for, the aspects of human psychology that the threat actors leveraged, and strategies to ensure that you (and we) don't fall victim in the future.

**Exploiting "Confirmation Bias"**

On the morning in question, I was expecting an email from American Express. So when I appeared to receive one, confirmation bias kicked in. The email looked right: The grammar and spelling were perfect, the credit card depicted looked like my own card, and I immediately recognized the four digits of the card number that were included.

I clicked. Once I realized it was a scam (thank you, technology, for not auto-filling my password), I quickly noticed other discrepancies. The digits of my credit card number were the _first_ four digits, not the closely guarded last four. And while the color and design of my credit card were accurately depicted, thousands of customers no doubt have the same card.

Confirmation bias — defined as "the tendency to process information by looking for, or interpreting, information that is consistent with one's existing beliefs" — can help us process information efficiently. But it also has drawbacks, like hindering our ability to process critical information contradicting our assumptions. 

Being aware of our tendency toward confirmation bias is key. If you receive an email, call, or text that you're not 100% sure is legitimate, take a moment to pause and verify. 

**Preying on Our Deference to Authority**

Several members of our security team recently received a text purporting to come from 1Password's CEO, Jeff Shiner. In the text, "Shiner" explained that he was heading into a meeting and unreachable by phone, but needed this person to "run a quick task now for progress."

"Boss alerts" like this are increasingly common. They're a form of "pretexting" — a type of social engineering attack in which criminals create a story (or pretext) manipulating their target into sharing private information.

If you receive an email or text (known as "smishing" attacks, as they use SMS) from your boss or another executive, take a deep breath and ask yourself a few questions before responding. Can you confirm the phone number? What is it requesting (or demanding) of you? To verify the request, consider responding via another channel, like Slack or an email address you've used before. 

**Fabricating Urgency **

Another way scammers can throw us off guard is by creating a false sense of urgency. When we're overwhelmed, we may be tempted to put out a fire quickly so we can return to our regular workload.

Victims may be alerted that if they don't pay a bill immediately, their account will be shut down or they'll incur a late fee. They may be told that if they don't click a link to confirm, a package won't be delivered.

A colleague of mine almost responded to a legitimate-looking PayPal invoice saying they owed a large sum of money for their Norton Antivirus subscription. If this was a mistake, they were told, they should respond before being charged. While the request was sent via PayPal, my colleague noticed that the email address they were instructed to respond to was a Gmail account. 

Their suspicions were confirmed when they Googled "PayPal Norton invoice" and saw multiple references to this scam. To spare other victims, they alerted PayPal. 

**Technology Can Save the Day **

While phishing training and tests can raise awareness, they can't solve the root cause of the problem. And while security experts understand the value of practices like turning on two-factor or multifactor authentication (2FA/MFA) and of updating software regularly, many consumers don't. 

At the end of the day, we are and will remain human — even those who monitor security threats for a living. Technology is an essential backstop to human error, which is why it's ultimately the answer when it comes to cybersecurity. 

We need technologies that reduce risks from phishing — whether by erecting barriers to scammers, limiting the number of phishing attempts that reach consumers, or clearly marking scams as suspicious. Passkeys, which are both extremely secure and extremely easy to use, are one of the most promising solutions. Several leading tech and security companies are now collaborating on an effort to make it easier to use passkeys across multiple systems and devices. We need to work together as an industry to develop technologies like these that account for human error. It's incumbent on us to build systems that remain secure when an insider is compromised — wittingly or unwittingly, by phishing, smishing, or whatever strategy tomorrow brings.

Scams Security Pros Almost Fell For

Attackers use phishing emails that appear to come from reputable organizations, dropping the payload using public cloud servers and an old Windows UAC bypass technique.

A phishing campaign targeting organizations in Eastern Europe is leveraging an old Windows User Account Control (UAC) bypass technique to drop the Remcos remote access Trojan (RAT), to perform cyber espionage across the region, researchers have found.

The campaign uses emails that appear to come from legitimate and highly regarded institutions in the targeted country to lure victims, researchers from SentinelOne revealed in a recent blog post. If successful in getting users to click on a malicious link, attackers leverage the DBatLoader malware loader, which abuses a technique identified more than two years ago to set up mock trusted folders to bypass Windows UAC and drop the RAT, the researchers said.

DBatLoader is known for using public cloud infrastructure to host its malware staging component, the SentinelOne researchers said. In the case of this campaign, they have observed download links to Microsoft OneDrive and Google Drive sites that have been used for this purpose, one of which was active for more than a month, they said.

"When a user decompresses the attachment and runs the executable within, DBatLoader downloads and executes an obfuscated second-stage payload data from a public cloud location," SentinelOne senior threat researcher Aleksandar Milenkoski wrote in the post.

The executable in this case is the Remcos RAT, a malware that threat actors with cybercriminal and espionage motivations widely use to take over computers and collect keystrokes, audio, video, screenshots, and system information as well as deliver other malware, the researchers noted.

Indeed, the campaign observed by SentinelOne is likely linked to reports by the Ukrainian CERT of "phishing campaigns targeting Ukrainian state institutions for espionage purposes using password-protected archives as email attachments," which also deliver the RAT, Milenkoski wrote.

**Reputation-Based Phishing Lures**

Rather than use socially engineered messages in the campaign, attackers rely solely on the reputations of the purported organizations from which the messages are sent to trick victims into taking the bait, the SentinelOne researchers said.

In fact, the messages generally contain no text at all but merely the malicious attachment, they said. In the cases that the messages do include text, it's written in the language of the target’s country, the researchers added. Further, attackers typically send the emails to the sales departments of the targets or publicly available contact email addresses for the organizations. The emails include attachments in the form of tar.lzarchives that typically masquerade as financial documents, such as invoices or tender documentation that appear to originate from institutions or business organizations related to the target. Some attachments purport to be Microsoft Office, LibreOffice, or PDF documents and use double extensions and/or application icons to fool victims.

"Many of the phishing emails we observed have been sent from email accounts with top-level domains of the same country as where the target is based," Milenkoski wrote.

"We observed emails sent from what seems to be compromised private email accounts and accounts from public email services that are also used by the targets and the legitimate institutions or organizations, which are supposedly sending the email," Milenkoski added.

**Abusing Windows UAC Bypass**

When a user decompresses the attachment and runs the executable within, DBatLoader downloads and executes an obfuscated second-stage payload data from an aforementioned public cloud location, which then creates and executes an initial Windows batch script in the %Public%\\Libraries directory, the researchers said.

This script abuses a previously identified method for bypassing Windows UAC that involves the creation of mock trusted directories, such as %SystemRoot%\\System32; this allows attackers to conduct activities with elevated privileges without alerting users, the researchers said. Security researcher Daniel Gebert discovered and subsequently revealed the UAC bypass in a July 2020 post on his security blog.

The bypass occurs through a combination of the mock trusted directories and DLL hijacking, which together cause Windows to automatically elevate the process without issuing an UAC prompt, Milenkoski wrote.

The resulting bypass allows DBatLoader to establish persistence across system reboots, by copying itself in the %Public%\\Libraries directory and creating an autorun registry key that points to an Internet Shortcut file, he explained in the post. This executes the DBatLoader executable in the mock directory, which in turn executes the Remcos RAT through process injection.

Researchers observed a wide variety of Remcos RAT configurations on victim systems, most of which were configured for keylogging and screenshot-theft capabilities, "as well as 'duckdns' dynamic DNS domains for command-and-control purposes," Milenkoski wrote.

**Reducing Cyber-Risk & Avoiding Compromise**

Researchers made a number of recommendations to security administrators to dodge the campaign, particularly given its use of DBatLoader coming through on the public cloud.

First and foremost, they advised vigilance against malicious network requests to public cloud instances, noting that attackers' use of public cloud infrastructure for hosting malware is an attempt to make network traffic for malware delivery look legitimate and thus harder for organizations to detect. "This tactic is popular amongst cybercriminals and espionage threat actors," Milenkoski observed.

Researchers also recommended that administrators monitor for suspicious file creation activities in the %Public%\\Library directory, and process-execution activities that involve filesystem paths with trailing spaces, especially \\Windows \\. "The latter is a reliable indicator of malware attempting to bypass Windows UAC by abusing mock trusted directories, such as %SystemRoot%\\System32," Milenkoski wrote.

Another tactic for avoiding compromise that administrators should consider is configuring Windows UAC to "always notify," which will always alert users when a program attempts to make changes to computers across a business network, he added.

Researchers also enforced general advice for avoiding phishing compromise in any form by ensuring that administrators and employees alike are aware of what malicious emails look like and how to avoid engaging with them.

Remcos RAT Spyware Scurries Into Machines via Cloud Servers

The Total Upkeep plugin for WordPress is vulnerable to information disclosure in versions up to, and including 1.14.13. This is due to missing authorization on the heartbeat_received() function that triggers on WordPress heartbeat. This makes it possible for authenticated attackers, with subscriber-level permissions and above to retrieve back-up paths that can subsequently be used to download the back-up.

**boldgrid-backup/tags/1.14.14/admin/class-boldgrid-backup-admin-in-progress.php**

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63

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    /\*\*

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     \* Add a notice telling the user there's a backup in progress.

 

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     \*

 

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     \* Calls to this method should ensure user (based on role) should actually see this notice.

65

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     \*

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     \* @since 1.6.0

…

…

 

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     \*/

427

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    public function heartbeat\_received( $response, $data ) {

 

430

        // Only admins should see the status of a backup in progress.

 

431

        if ( ! Boldgrid\_Backup\_Admin\_Utility::is\_user\_admin() ) {

 

432

            return $response;

 

433

        }

 

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        $key = 'boldgrid\_backup\_in\_progress';

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**boldgrid-backup/tags/1.14.14/admin/class-boldgrid-backup-admin-notice.php**

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        $notices = get\_option( $option, \[\] );

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        $notices = $this->core->in\_progress->add\_notice( $notices );

 

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        // Only admins should see "backup in progress" notices.

 

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        if ( Boldgrid\_Backup\_Admin\_Utility::is\_user\_admin() ) {

 

99

            $notices = $this->core->in\_progress->add\_notice( $notices );

 

100

        }

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        if ( empty( $notices ) ) {

**boldgrid-backup/tags/1.14.14/admin/class-boldgrid-backup-admin-utility.php**

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518

518

519

519

    /\*\*

 

520

     \* Determine whether or not the current user is an administrator.

 

521

     \*

 

522

     \* @since 1.14.14

 

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     \*

 

524

     \* @return bool

 

525

     \*/

 

526

    public static function is\_user\_admin() {

 

527

        return current\_user\_can( 'update\_plugins' );

 

528

    }

 

529

 

530

    /\*\*

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     \* Determine whether or not the given $page is the current.

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     \*

**boldgrid-backup/tags/1.14.14/boldgrid-backup.php**

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 \*          Plugin URI: https://www.boldgrid.com/boldgrid-backup/

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18

 \*          Description: Automated backups, remote backup to Amazon S3 and Google Drive, stop website crashes before they happen and more. Total Upkeep is the backup solution you need.

19

 

 \*          Version: 1.14.13

 

19

 \*          Version: 1.14.14

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 \*          Author: BoldGrid

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 \*          Author URI: https://www.boldgrid.com/

**boldgrid-backup/tags/1.14.14/readme.txt**

r2663423

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5

5

Tested up to: 5.9

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Requires PHP: 5.4

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Stable tag: 1.14.13

 

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Stable tag: 1.14.14

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License: GPLv2 or later

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License URI: http://www.gnu.org/licenses/gpl-2.0.html

…

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\== Changelog ==

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\= 1.14.14 =

 

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Release date: February 24th, 2022

 

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\* Update: Only show "backup in progress" notices for admins.

 

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\* Security fix: Permissions check added to heartbeat\_received for backup progress.

 

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\= 1.14.13 =

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**boldgrid-backup/tags/1.14.14/vendor/autoload.php**

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require\_once \_\_DIR\_\_ . '/composer/autoload\_real.php';

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return ComposerAutoloaderInitd35f0d695e98dc3502d9432168957439::getLoader();

 

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return ComposerAutoloaderInitd9e576e01664c4c9b6de0e39a381436a::getLoader();

**boldgrid-backup/tags/1.14.14/vendor/composer/autoload\_real.php**

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// autoload\_real.php @generated by Composer

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class ComposerAutoloaderInitd35f0d695e98dc3502d9432168957439

 

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class ComposerAutoloaderInitd9e576e01664c4c9b6de0e39a381436a

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{

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    private static $loader;

…

…

 

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        }

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        spl\_autoload\_register(array('ComposerAutoloaderInitd35f0d695e98dc3502d9432168957439', 'loadClassLoader'), true, true);

 

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        spl\_autoload\_register(array('ComposerAutoloaderInitd9e576e01664c4c9b6de0e39a381436a', 'loadClassLoader'), true, true);

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        self::$loader = $loader = new \\Composer\\Autoload\\ClassLoader();

27

 

        spl\_autoload\_unregister(array('ComposerAutoloaderInitd35f0d695e98dc3502d9432168957439', 'loadClassLoader'));

 

27

        spl\_autoload\_unregister(array('ComposerAutoloaderInitd9e576e01664c4c9b6de0e39a381436a', 'loadClassLoader'));

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        $useStaticLoader = PHP\_VERSION\_ID >= 50600 && !defined('HHVM\_VERSION') && (!function\_exists('zend\_loader\_file\_encoded') || !zend\_loader\_file\_encoded());

…

…

 

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            require\_once \_\_DIR\_\_ . '/autoload\_static.php';

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            call\_user\_func(\\Composer\\Autoload\\ComposerStaticInitd35f0d695e98dc3502d9432168957439::getInitializer($loader));

 

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            call\_user\_func(\\Composer\\Autoload\\ComposerStaticInitd9e576e01664c4c9b6de0e39a381436a::getInitializer($loader));

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        } else {

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            $map = require \_\_DIR\_\_ . '/autoload\_namespaces.php';

…

…

 

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        if ($useStaticLoader) {

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            $includeFiles = Composer\\Autoload\\ComposerStaticInitd35f0d695e98dc3502d9432168957439::$files;

 

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            $includeFiles = Composer\\Autoload\\ComposerStaticInitd9e576e01664c4c9b6de0e39a381436a::$files;

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        } else {

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            $includeFiles = require \_\_DIR\_\_ . '/autoload\_files.php';

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        }

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        foreach ($includeFiles as $fileIdentifier => $file) {

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            composerRequired35f0d695e98dc3502d9432168957439($fileIdentifier, $file);

 

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            composerRequired9e576e01664c4c9b6de0e39a381436a($fileIdentifier, $file);

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        }

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…

…

 

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}

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function composerRequired35f0d695e98dc3502d9432168957439($fileIdentifier, $file)

 

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function composerRequired9e576e01664c4c9b6de0e39a381436a($fileIdentifier, $file)

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{

68

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    if (empty($GLOBALS\['\_\_composer\_autoload\_files'\]\[$fileIdentifier\])) {

**boldgrid-backup/tags/1.14.14/vendor/composer/autoload\_static.php**

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namespace Composer\\Autoload;

6

6

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class ComposerStaticInitd35f0d695e98dc3502d9432168957439

 

7

class ComposerStaticInitd9e576e01664c4c9b6de0e39a381436a

8

8

{

9

9

    public static $files = array (

…

…

 

92

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    {

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        return \\Closure::bind(function () use ($loader) {

94

 

            $loader->prefixLengthsPsr4 = ComposerStaticInitd35f0d695e98dc3502d9432168957439::$prefixLengthsPsr4;

95

 

            $loader->prefixDirsPsr4 = ComposerStaticInitd35f0d695e98dc3502d9432168957439::$prefixDirsPsr4;

96

 

            $loader->classMap = ComposerStaticInitd35f0d695e98dc3502d9432168957439::$classMap;

 

94

            $loader->prefixLengthsPsr4 = ComposerStaticInitd9e576e01664c4c9b6de0e39a381436a::$prefixLengthsPsr4;

 

95

            $loader->prefixDirsPsr4 = ComposerStaticInitd9e576e01664c4c9b6de0e39a381436a::$prefixDirsPsr4;

 

96

            $loader->classMap = ComposerStaticInitd9e576e01664c4c9b6de0e39a381436a::$classMap;

97

97

98

98

        }, null, ClassLoader::class);

Tag

#google