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Ubuntu 13.04: USN-1991-1 Moderate: eglibc Denial Of Service Vulnerability

Several security issues were fixed in the GNU C Library.. =========================================================================Ubuntu Security Notice USN-1991-1 October 21, 2013 eglibc vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 13.04 - Ubuntu 12.10 - Ubuntu 12.04 LTS - Ubuntu 10.04 LTS Summary: Several security issues were fixed in the GNU C Library. Software Description: - eglibc: GNU C Library Details: It was discovered that the GNU C Library incorrectly handled the strcoll() function. An attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2012-4412, CVE-2012-4424) It was discovered that the GNU C Library incorrectly handled multibyte characters in the regular expression matcher. An attacker could use this issue to cause a denial of service. (CVE-2013-0242) It was discovered that the GNU C Library incorrectly handled large numbers of domain conversion results in the getaddrinfo() function. An attacker could use this issue to cause a denial of service. (CVE-2013-1914) It was discovered that the GNU C Library readdir_r() function incorrectly handled crafted NTFS or CIFS images. An attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2013-4237) It was discovered that the GNU C Library incorrectly handled memory allocation. An attacker could use this issue to cause a denial of service. (CVE-2013-4332) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 13.04: libc6 2.17-0ubuntu5.1 Ubuntu 12.10: libc6 2.15-0ubuntu20.2 Ubuntu 12.04 LTS: libc6 2.15-0ubuntu10.5 Ubuntu 10.04 LTS: libc6 2.11.1-0ubuntu7.13 After a standard system update you needto reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-1991-1 CVE-2012-4412, CVE-2012-4424, CVE-2013-0242, CVE-2013-1914, CVE-2013-4237, CVE-2013-4332 Package Information: https://launchpad.net/ubuntu/+source/eglibc/2.17-0ubuntu5.1 https://launchpad.net/ubuntu/+source/eglibc/2.15-0ubuntu20.2 https://launchpad.net/ubuntu/+source/eglibc/2.15-0ubuntu10.5 https://launchpad.net/ubuntu/+source/eglibc/2.11.1-0ubuntu7.13 . Several vulnerabilities addressed in the GNU C Library, impacting various Ubuntu versions. Guidance for updates included.. GNU C Library security, eglibc vulnerabilities update, Ubuntu 13.04 security. . LinuxSecurity.com Team

Oct 21, 2013 Ubuntu