N/A - USN-4231-1

Executive Summary

Summary
Title	NSS vulnerability

Informations
Name	USN-4231-1	First vendor Publication	2020-01-08
Vendor	Ubuntu	Last vendor Modification	2020-01-08
Severity (Vendor)	N/A	Revision	N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score	NA
Base Score	NA	Environmental Score	NA
impact SubScore	NA	Temporal Score	NA
Exploitabality Sub Score	NA

Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score	N/A	Attack Range	N/A
Cvss Impact Score	N/A	Attack Complexity	N/A
Cvss Expoit Score	N/A	Authentication	N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 19.10 - Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM

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.

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.

References:
https://usn.ubuntu.com/4231-1
CVE-2019-17006

Package Information:
https://launchpad.net/ubuntu/+source/nss/2:3.45-1ubuntu2.2
https://launchpad.net/ubuntu/+source/nss/2:3.42-1ubuntu2.5
https://launchpad.net/ubuntu/+source/nss/2:3.35-2ubuntu2.7
https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.04.10