Home / Security / USN-4203-2: NSS vulnerability | Ubuntu security notices

USN-4203-2: NSS vulnerability | Ubuntu security notices

27 November 2019

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 link

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