Ubuntu 4231-1: Critical NSS Vulnerability Poses Risk of Code Execution

ubuntu

January 8, 2020

NSS could be made to execute arbitrary code if it received a specially crafted input.

Summary

NSS could be made to execute arbitrary code if it received a specially

crafted input.

Software Description:

- nss: Network Security Service library

Details:

It was discovered that NSS incorrectly handled certain inputs. An

attacker could possibly use this issue to execute arbitrary code.

Topics Covered

security advisory critical arbitrary code ubuntu network service nss January 2020

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.10:
  libnss3                         2:3.45-1ubuntu2.2

Ubuntu 19.04:
  libnss3                         2:3.42-1ubuntu2.5

Ubuntu 18.04 LTS:
  libnss3                         2:3.35-2ubuntu2.7

Ubuntu 16.04 LTS:
  libnss3                         2:3.28.4-0ubuntu0.16.04.10

Ubuntu 14.04 ESM:
  libnss3                         2:3.28.4-0ubuntu0.14.04.5+esm4

Ubuntu 12.04 ESM:
  libnss3                         2:3.28.4-0ubuntu0.12.04.7

After a standard system update you need to reboot your computer to make
all the necessary changes.