USN-1991-1: GNU C Library vulnerabilities

21 October 2013

eglibc vulnerabilities

Packages

  • 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
Ubuntu 12.10
Ubuntu 12.04
Ubuntu 10.04

After a standard system update you need to reboot your computer to make
all the necessary changes.