USN-3536-1: GNU C Library vulnerability
Ubuntu Security Notice USN-3536-1
17th January, 2018
eglibc vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 12.04 LTS
Summary
The GNU C library could be made to run programs as an administrator.
Software description
- eglibc
– GNU C Library
Details
It was discovered that the GNU C library did not properly handle all of
the possible return values from the kernel getcwd(2) syscall. A local
attacker could potentially exploit this to execute arbitrary code in setuid
programs and gain administrative privileges. (CVE-2018-1000001)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 12.04 LTS:
-
libc6
2.15-0ubuntu10.21
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.
References
Source: USN-3536-1: GNU C Library vulnerability
