USN-1991-1: GNU C Library 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...

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

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

Learn more about how to get the fixes.

Ubuntu Release	Package Version
13.04 raring	libc6 – 2.17-0ubuntu5.1
12.10 quantal	libc6 – 2.15-0ubuntu20.2
12.04 precise	libc6 – 2.15-0ubuntu10.5
10.04 lucid	libc6 – 2.11.1-0ubuntu7.13

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References