========================================================================== Ubuntu Security Notice USN-3393-1 August 17, 2017
clamav vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 17.04 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in ClamAV. Software Description: - clamav: Anti-virus utility for Unix Details: It was discovered that ClamAV incorrectly handled parsing certain e-mail messages. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2017-6418) It was discovered that ClamAV incorrectly handled certain malformed CHM files. A remote attacker could use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. In the default installation, attackers would be isolated by the ClamAV AppArmor profile. (CVE-2017-6419) It was discovered that ClamAV incorrectly handled parsing certain PE files with WWPack compression. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2017-6420) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 17.04: clamav 0.99.2+dfsg-6ubuntu0.1 Ubuntu 16.04 LTS: clamav 0.99.2+dfsg-0ubuntu0.16.04.2 Ubuntu 14.04 LTS: clamav 0.99.2+addedllvm-0ubuntu0.14.04.2 In general, a standard system update will make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3393-1 CVE-2017-6418, CVE-2017-6419, CVE-2017-6420 Package Information: https://launchpad.net/ubuntu/+source/clamav/0.99.2+dfsg-6ubuntu0.1 https://launchpad.net/ubuntu/+source/clamav/0.99.2+dfsg-0ubuntu0.16.04.2 https://launchpad.net/ubuntu/+source/clamav/0.99.2+addedllvm-0ubuntu0.14.04.2
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