USN-2924-1: NSS vulnerability

Ubuntu Security Notice USN-2924-1

9th March, 2016

nss vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 15.10
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary

NSS could be made to crash or run programs if it received specially crafted input.

Software description

• nss - Network Security Service library

Details

Francis Gabriel discovered that NSS incorrectly handled decoding certain
ASN.1 data. An 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 version:

Ubuntu 15.10:

libnss3 2:3.21-0ubuntu0.15.10.2

Ubuntu 14.04 LTS:

libnss3 2:3.21-0ubuntu0.14.04.2

Ubuntu 12.04 LTS:

libnss3 2:3.21-0ubuntu0.12.04.3

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 and Chromium, to make all the necessary changes.

References

CVE-2016-1950