Ubuntu Security Notice USN-2485-1
27th January, 2015
eglibc vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
Summary
The GNU C Library could be made to crash or run programs.
Software description
- eglibc
– GNU C Library
Details
It was discovered that a buffer overflow existed in the gethostbyname
and gethostbyname2 functions in the GNU C Library. An attacker could
use this issue to execute arbitrary code or cause an application crash,
resulting in a denial of service.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 12.04 LTS:
-
libc6
2.15-0ubuntu10.10
- Ubuntu 10.04 LTS:
-
libc6
2.11.1-0ubuntu7.20
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.