Several security issues were fixed in the GNU C Library.
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)
21 October 2013
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in the GNU C Library.
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)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make all the necessary changes.
Vulmon