USN-3431-1: NSS vulnerability
Ubuntu Security Notice USN-3431-1
2nd October, 2017
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
NSS could be made to crash or run programs if it received specially crafted network traffic.
- nss - Network Security Service library
Martin Thomson discovered that NSS incorrectly generated handshake hashes.
A remote attacker could use this issue to cause NSS to crash, resulting in
a denial of service, or possibly execute arbitrary code.
The problem can be corrected by updating your system to the following package version:
- Ubuntu 17.04:
- libnss3 2:3.28.4-0ubuntu0.17.04.3
- Ubuntu 16.04 LTS:
- libnss3 2:3.28.4-0ubuntu0.16.04.3
- Ubuntu 14.04 LTS:
- libnss3 2:3.28.4-0ubuntu0.14.04.3
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