SECURITY

USN-3393-2: ClamAV vulnerabilities Ubuntu Security Notice USN-3393-2 17th August, 2017 clamav vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary Several security issues were fixed in ClamAV. Software description clamav – Anti-virus utility for Unix Details USN-3393-1 fixed several vulnerabilities in ClamAV. This update providesthe corresponding update for Ubuntu 12.04 ESM. Original advisory 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 [ more… ]

USN-3395-1: c-ares vulnerability Ubuntu Security Notice USN-3395-1 17th August, 2017 c-ares vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.04 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary c-ares could be made to crash if it received specially crafted network traffic. Software description c-ares – library for asynchronous name resolution Details It was discovered that c-ares incorrectly handled certain NAPTR responses.A remote attacker could possibly use this issue to cause applications usingc-ares to crash, resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.04: libc-ares2 1.12.0-1ubuntu0.1 Ubuntu 16.04 LTS: libc-ares2 1.10.0-3ubuntu0.2 Ubuntu 14.04 LTS: libc-ares2 1.10.0-2ubuntu0.2 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References CVE-2017-1000381 Source: USN-3395-1: c-ares [ more… ]

USN-3394-1: libmspack vulnerabilities Ubuntu Security Notice USN-3394-1 17th August, 2017 libmspack vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.04 Ubuntu 16.04 LTS Summary Several security issues were fixed in libmspack. Software description libmspack – library for Microsoft compression formats Details It was discovered that libmspack incorrectly handled certain malformed CHMfiles. A remote attacker could use this issue to cause libmspack to crash,resulting in a denial of service, or possibly execute arbitrary code.(CVE-2017-6419) It was discovered that libmspack incorrectly handled certain malformed CABfiles. A remote attacker could use this issue to cause libmspack to crash,resulting in a denial of service. (CVE-2017-6419) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.04: libmspack0 0.5-1ubuntu0.17.04.1 Ubuntu 16.04 LTS: libmspack0 0.5-1ubuntu0.16.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. [ more… ]

USN-3393-1: ClamAV vulnerabilities Ubuntu Security Notice USN-3393-1 17th August, 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-mailmessages. A remote attacker could possibly use this issue to cause ClamAVto crash, resulting in a denial of service. (CVE-2017-6418) It was discovered that ClamAV incorrectly handled certain malformed CHMfiles. A remote attacker could use this issue to cause ClamAV to crash,resulting in a denial of service, or possibly execute arbitrary code. Thisissue 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 fileswith WWPack [ more… ]