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Ubuntu 16.04 LTS: USN-3118-1 Moderate: Mailman CSRF Flaws

Several security issues were fixed in Mailman.. =========================================================================Ubuntu Security Notice USN-3118-1 November 01, 2016 mailman vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS Summary: Several security issues were fixed in Mailman. Software Description: - mailman: Powerful, web-based mailing list manager Details: It was discovered that the Mailman administrative web interface did not protect against cross-site request forgery (CSRF) attacks. If an authenticated user were tricked into visiting a malicious website while logged into Mailman, a remote attacker could perform administrative actions. This issue only affected Ubuntu 12.04 LTS. (CVE-2016-7123) Nishant Agarwala discovered that the Mailman user options page did not protect against cross-site request forgery (CSRF) attacks. If an authenticated user were tricked into visiting a malicious website while logged into Mailman, a remote attacker could modify user options. (CVE-2016-6893) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.10: mailman 1:2.1.22-1ubuntu0.1 Ubuntu 16.04 LTS: mailman 1:2.1.20-1ubuntu0.1 Ubuntu 14.04 LTS: mailman 1:2.1.16-2ubuntu0.2 Ubuntu 12.04 LTS: mailman 1:2.1.14-3ubuntu0.4 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-3118-1 CVE-2016-6893, CVE-2016-7123 Package Information: https://launchpad.net/ubuntu/+source/mailman/1:2.1.22-1ubuntu0.1 https://launchpad.net/ubuntu/+source/mailman/1:2.1.20-1ubuntu0.1 https://launchpad.net/ubuntu/+source/mailman/1:2.1.16-2ubuntu0.2 https://launchpad.net/ubuntu/+source/mailman/1:2.1.14-3ubuntu0.4 . Multiple Mailman vulnerabilities addressed in Ubuntu update: CSRF vulnerabilities affecting admin controls. Ensure safety with the newest updates.. Mailman Security, CSRF Protection, Ubuntu Patching, Software Security. . Severity: Important. LinuxSecurity.com Team

Nov 01, 2016 •Important Ubuntu