USN-4203-2: NSS vulnerability
nss vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
Summary
NSS could be made to crash or run programs if it received specially crafted
input.
Software Description
- nss – Network Security Service library
Details
USN-4203-1 fixed a vulnerability in NSS. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that NSS incorrectly handled certain memory operations. A
remote attacker could use this issue to cause NSS to crash, resulting in a
denial of service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 14.04 ESM
- libnss3 – 2:3.28.4-0ubuntu0.14.04.5+esm2
- Ubuntu 12.04 ESM
- libnss3 – 2:3.28.4-0ubuntu0.12.04.5
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart any applications that
use NSS, such as Evolution, to make all the necessary changes.
References
Source: USN-4203-2: NSS vulnerability
