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Critical Ruby Security Vulnerabilities in Ubuntu 22.10 & 23.04 Recovered

Several security issues were fixed in Ruby.. =========================================================================Ubuntu Security Notice USN-6181-1 June 21, 2023 ruby3.1 vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.10 Summary: Several security issues were fixed in Ruby. Software Description: - ruby3.1: Interpreter of object-oriented scripting language Ruby Details: Hiroshi Tokumaru discovered that Ruby did not properly handle certain user input for applications the generate HTTP responses using cgi gem. An attacker could possibly use this issue to maliciously modify the response a user would receive from a vulnerable application. This issue only affected Ubuntu 22.10. (CVE-2021-33621) It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-28755, CVE-2023-28756) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: libruby3.1 3.1.2-6ubuntu0.23.04.1 ruby3.1 3.1.2-6ubuntu0.23.04.1 Ubuntu 22.10: libruby3.1 3.1.2-2ubuntu0.22.10.1 ruby3.1 3.1.2-2ubuntu0.22.10.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6181-1 CVE-2021-33621, CVE-2023-28755, CVE-2023-28756 Package Information: https://launchpad.net/ubuntu/+source/ruby3.1/3.1.2-6ubuntu0.23.04.1 https://launchpad.net/ubuntu/+source/ruby3.1/3.1.2-2ubuntu0.22.10.1 . Ubuntu Security Notice USN-6182-1 tackles several vulnerabilities in Python, impacting certain Ubuntu releases.. ruby vulnerabilities, update instructions, ubuntu security, response issues. . Severity: Critical. LinuxSecurity.com Team

Jun 21, 2023 •Critical Ubuntu