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# Microsoft Security Advisory CVE-2024-38095 | .NET Denial of Service Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0 and .NET 8.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A Vulnerability exists when System.Formats.Asn1 in .NET parses an X.509 certificate or collection of certificates, a malicious certificate can result in excessive CPU consumption on all platforms result in Denial of Service. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/312 ## <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 6.0 application running on .NET 6.0.31 or earlier. * Any .NET 8.0 application runni...

# Microsoft Security Advisory CVE-2024-38081 | .NET Denial of Service Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0 . This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A Vulnerability exist in Visual Studio installer on Windows OS where an unprivileged user is allowed to manipulate the Visual Studio installation resulting in elevation of privilege. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/313 ## <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 6.0 application running on .NET 6.0.31 or earlier. ## <a name="affected-packages"></a>Affected Packages The vulnerability affects any Mi...

# Microsoft Security Advisory CVE-2024-35264 | .NET Remote Code Execution Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A Vulnerability exists in ASP.NET Core 8 where Data Corruption in Kestrel HTTP/3 can result in remote code execution. Note: HTTP/3 is experimental in .NET 6.0. If you are on .NET 6.0 and using HTTP/3, please upgrade to .NET 8.0.7 ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/314 ## <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 8.0 application running on .NET 8.0.6 or earlier. ## <a name="affected-packages"></a...

# Microsoft Security Advisory CVE-2024-30105 | .NET Denial of Service Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in .NET when calling the JsonSerializer.DeserializeAsyncEnumerable method against an untrusted input using System.Text.Json may result in Denial of Service. ## Discussion Discussion for this issue can be found at https://github.com/dotnet/runtime/issues/104619 ## <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 8.0 application running on .NET 8.0.6 or earlier. ## <a name="affected-packages"></a>Affected Packages The vulnerability affects any Microsoft .NE...

### Summary Cache driver `GetBlob()` allows read access to any blob without access control check ### Details If a Zot `accessControl` policy allows users read access to some repositories but restricts read access to other repositories and `dedupe` is enabled (it is enabled by default), then an attacker who knows the name of an image and the digest of a blob (that they do not have read access to), they may maliciously read it via a second repository they do have read access to. This allows an attacker to read an image that the `accessControl` policy denies. This attack is possible because [`ImageStore.CheckBlob()` calls `checkCacheBlob()`](https://github.com/project-zot/zot/blob/v2.1.0-rc2/pkg/storage/imagestore/imagestore.go#L1158-L1159) to find the blob a global cache by searching for the digest. If it is found, it is copied to the user requested repository with `copyBlob()`. This cache behavior is intentionally used in [`RouteHandler.CreateBlobUpload()`](https://github.com/proje...

### Observations The file `packages/electron-updater/src/windowsExecutableCodeSignatureVerifier.ts` implements the signature validation routine for Electron applications on Windows. It executes the following command in a new shell (`process.env.ComSpec` on Windows, usually `C:\Windows\System32\cmd.exe`): https://github.com/electron-userland/electron-builder/blob/140e2f0eb0df79c2a46e35024e96d0563355fc89/packages/electron-updater/src/windowsExecutableCodeSignatureVerifier.ts#L35-L41 Because of the surrounding shell, a first pass by `cmd.exe` expands any environment variable found in command-line above. ### Exploitation This creates a situation where `verifySignature()` can be tricked into validating the certificate of a different file than the one that was just downloaded. If the step is successful, the malicious update will be executed even if its signature is invalid. ### Impact This attack assumes a compromised update manifest (server compromise, Man-in-the-Middle attack if fet...

In Spring Cloud Function framework, versions 4.1.x prior to 4.1.2, 4.0.x prior to 4.0.8 an application is vulnerable to a DOS attack when attempting to compose functions with non-existing functions. Specifically, an application is vulnerable when all of the following are true: User is using Spring Cloud Function Web module Affected Spring Products and Versions Spring Cloud Function Framework 4.1.0 to 4.1.2 4.0.0 to 4.0.8 References https://spring.io/security/cve-2022-22979   https://checkmarx.com/blog/spring-function-cloud-dos-cve-2022-22979-and-unintended-function-invocation/  History 2020-01-16: Initial vulnerability report published.

### Impact The phonenumber parsing code may panic due to a reachable `assert!` guard on the phonenumber string. In a typical deployment of rust-phonenumber, this may get triggered by feeding a maliciously crafted phonenumber, e.g. over the network, specifically strings of the form `+dwPAA;phone-context=AA`, where the "number" part potentially parses as a number larger than 2^56. Since f69abee1/0.3.4/#52. 0.2.x series is not affected. ### Patches Upgrade to 0.3.6 or higher. ### Workarounds n/a ### References Whereas https://github.com/whisperfish/rust-phonenumber/issues/69 did not provide an example code path, property testing found a few: `+dwPAA;phone-context=AA`.

### Impact Depending on network and process conditions of a `fetch()` request, `response.arrayBuffer()` might include portion of memory from the Node.js process. ### Patches This has been patched in v6.19.2. ### Workarounds There are no known workaround. ### References https://github.com/nodejs/undici/issues/3337 https://github.com/nodejs/undici/issues/3328 https://github.com/nodejs/undici/pull/3338 https://github.com/nodejs/undici/commit/f979ec3204ca489abf30e7d20e9fee9ea7711d36

A vulnerability was found in Undertow. This issue requires enabling the learning-push handler in the server's config, which is disabled by default, leaving the maxAge config in the handler unconfigured. The default is -1, which makes the handler vulnerable. If someone overwrites that config, the server is not subject to the attack. The attacker needs to be able to reach the server with a normal HTTP request.