[월:] 2016년 03월

USN-2929-1: Linux kernel vulnerabilities Ubuntu Security Notice USN-2929-1 14th March, 2016 linux vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary Several security issues were fixed in the kernel. Software description linux – Linux kernel Details Ben Hawkes discovered that the Linux netfilter implementation did notcorrectly perform validation when handling IPT_SO_SET_REPLACE events. Alocal unprivileged attacker could use this to cause a denial of service(system crash) or possibly execute arbitrary code with administrativeprivileges. (CVE-2016-3134) It was discovered that the Linux kernel did not properly enforce rlimitsfor file descriptors sent over UNIX domain sockets. A local attacker coulduse this to cause a denial of service. (CVE-2013-4312) Ralf Spenneberg discovered that the USB driver for Clie devices in theLinux kernel did not properly sanity check the endpoints reported by thedevice. An attacker with physical access could [ more… ]

USN-2927-1: graphite2 vulnerabilities Ubuntu Security Notice USN-2927-1 14th March, 2016 graphite2 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 15.10 Ubuntu 14.04 LTS Summary graphite2 could be made to crash or run programs as your login if it opened a specially crafted font. Software description graphite2 – Font rendering engine for Complex Scripts Details It was discovered that graphite2 incorrectly handled certain malformedfonts. If a user or automated system were tricked into opening a specially-crafted font file, a remote attacker could use this issue to causegraphite2 to crash, resulting in a denial of service, or possibly executearbitrary code. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 15.10: libgraphite2-3 1.3.6-1ubuntu0.15.10.1 Ubuntu 14.04 LTS: libgraphite2-3 1.3.6-1ubuntu0.14.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This update uses [ more… ]