========================================================================== Ubuntu Security Notice USN-3811-3 December 05, 2018 spamassassin vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: Several security issues were fixed in SpamAssassin. Software Description: - spamassassin: Perl-based spam filter using text analysis Details: USN-3811-1 fixed a vulnerability in spamassassin. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that SpamAssassin incorrectly handled the PDFInfo plugin. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11780) It was discovered that SpamAssassin incorrectly handled meta rule syntax. A local attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11781) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: spamassassin 3.4.2-0ubuntu0.12.04.2 This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3811-3 https://usn.ubuntu.com/usn/usn-3811-1 CVE-2018-11780, CVE-2018-11781