#ubuntu

Ubuntu Security Notice 6059-1 - It was discovered that Erlang did not properly implement TLS client certificate validation during the TLS handshake. A remote attacker could use this issue to bypass client authentication.

Ubuntu Security Notice 6055-2 - USN-6055-1 fixed a vulnerability in Ruby. Unfortunately it introduced a regression. This update reverts the patches applied to CVE-2023-28755 in order to fix the regression pending further investigation. It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service.

File upload vulnerability in CMS Made Simple through 2.2.15 allows remote authenticated attackers to gain a webshell via a crafted phar file.

OS Command Injection in GitHub repository sbs20/scanservjs prior to v2.27.0.

Ubuntu Security Notice 6058-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges.

Ubuntu Security Notice 6057-1 - It was discovered that the Traffic-Control Index implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the OverlayFS implementation in the Linux kernel did not properly handle copy up operation in some conditions. A local attacker could possibly use this to gain elevated privileges.

Ubuntu Security Notice 6056-1 - It was discovered that a race condition existed in the Xen transport layer implementation for the 9P file system protocol in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or expose sensitive information.

TOTOLINK X5000R V9.1.0u.6118_B20201102 and V9.1.0u.6369_B20230113 contain a command insertion vulnerability in setting/setTracerouteCfg. This vulnerability allows an attacker to execute arbitrary commands through the "command" parameter.

Ubuntu Security Notice 6055-1 - It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. This issue is being addressed only for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

Ubuntu Security Notice 6054-1 - Moataz Al-Sharida and nawaik discovered that Django incorrectly handled uploading multiple files using one form field. A remote attacker could possibly use this issue to bypass certain validations.