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2 Men Linked to China’s Salt Typhoon Hacker Group Likely Trained in a Cisco ‘Academy’

The names of two partial owners of firms linked to the Salt Typhoon hacker group also appeared in records for a Cisco training program—years before the group targeted Cisco’s devices in a spy campaign.

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North Korean Hackers Deploy EtherRAT Malware in React2Shell Exploits

Sysdig discovered North Korea-linked EtherRAT, a stealthy new backdoor using Ethereum smart contracts for C2 after exploiting the critical React2Shell vulnerability (CVE-2025-55182).

December Patch Tuesday fixes three zero-days, including one that hijacks Windows devices

The update patches three zero-days and introduces a new PowerShell warning meant to help you avoid accidentally running unsafe code from the web.

GHSA-6hjr-v6g4-3fm8: ImageMagick is vulnerable to an integer Overflow in TIM decoder leading to out of bounds read (32-bit only)

### Summary The TIM (PSX TIM) image parser in ImageMagick contains a critical integer overflow vulnerability in the `ReadTIMImage` function (`coders/tim.c`). The code reads `width` and `height` (16-bit values) from the file header and calculates `image_size = 2 * width * height` without checking for overflow. On 32-bit systems (or where `size_t` is 32-bit), this calculation can overflow if `width` and `height` are large (e.g., 65535), wrapping around to a small value. This results in a small heap allocation via `AcquireQuantumMemory` and later operations relying on the dimensions can trigger an out of bounds read. ### Vulnerable Code File: `coders/tim.c` ```c width=ReadBlobLSBShort(image); height=ReadBlobLSBShort(image); image_size=2*width*height; // Line 234 - NO OVERFLOW CHECK! ``` ### Impact This vulnerability can lead to Arbitrary Memory Disclosure due to an out of bounds read on 32-bit systems.

GHSA-9xc6-c2rm-f27p: XWiki vulnerable to remote code execution through insufficient protection against {{/html}} injection

### Impact Any user who can edit their own user profile or any other document can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. The reason is that rendering output is included as content of HTML macros with insufficient escaping, and it is thus possible to close the HTML macro and inject script macros that are executed with programming rights. To demonstrate, the content `{{html}}{{/html {{/html}}}}` can be inserted into any field of the user profile that supports wiki syntax like the "About" field. If this leads to the display of raw HTML, the instance is vulnerable. ### Patches This problem has been patched by extending the escaping introduced by [XRENDERING-693](https://jira.xwiki.org/browse/XRENDERING-693) to also cover closing HTML macros that have spaces after the macro name in XWiki 16.10.10, 17.4.3 and 17.6.0RC1. A [similar fix](https://github.com/xwiki/xwik...

GHSA-cc84-q3v3-mhgf: XWiki's REST APIs don't enforce any limits, leading to unavailability and OOM in large wikis

### Impact XWiki's REST API doesn't enforce any limits for the number of items that can be requested in a single request at the moment. Depending on the number of pages in the wiki and the memory configuration, this can lead to slowness and unavailability of the wiki. As an example, the `/rest/wikis/xwiki/spaces` resource returns all spaces on the wiki by default, which are basically all pages. ### Patches XWiki 17.7.0RC1, 17.4.4 and 16.10.11 introduce a configurable limit, limiting responses to 1000 items by default. Requesting larger limits leads to an error now. ### Workarounds We're not aware of any workaround, except denying access to the affected REST resources in a proxy in front of XWiki.

GHSA-7vpr-jm38-wr7w: XWiki vulnerable to a reflected XSS via xredirect parameter in DeleteApplication

### Impact A reflected XSS vulnerability in XWiki allows an attacker to send a victim to a URL with a deletion confirmation message on which the attacker-supplied script is executed when the victim clicks the "No" button. When the victim has admin or programming right, this allows the attacker to execute basically arbitrary actions on the XWiki installation including remote code execution. ### Patches This vulnerability has been patched in XWiki 16.10.10, 17.4.2 and 17.5.0 by using the affected URL parameter only in the intended context. ### Workarounds The [patch](https://github.com/xwiki/xwiki-platform/commit/cb578b1b2910d06e9dd7581077072d1cfbd280f2) can be manually applied to the templates that are present in the WAR. A restart of XWiki is needed for the changes to be applied.

GHSA-mq8m-42gh-wq7r: Gogs vulnerable to a bypass of CVE-2024-55947

Improper Symbolic link handling in the PutContents API in Gogs allows Local Execution of Code.

A Complete Guide to the Jeffrey Epstein Document Dumps

New records about the infamous sex offender are released seemingly every week. Here’s a quick rundown of who’s releasing the Epstein documents, what they contain—and what they’re releasing next.

Three PCIe Encryption Weaknesses Expose PCIe 5.0+ Systems to Faulty Data Handling

Three security vulnerabilities have been disclosed in the Peripheral Component Interconnect Express (PCIe) Integrity and Data Encryption (IDE) protocol specification that could expose a local attacker to serious risks. The flaws impact PCIe Base Specification Revision 5.0 and onwards in the protocol mechanism introduced by the IDE Engineering Change Notice (ECN), according to the PCI Special