SB2017020601 - Ubuntu update for Nettle



SB2017020601 - Ubuntu update for Nettle

Published: February 6, 2017

Security Bulletin ID SB2017020601
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Man-in-the-Middle attack (CVE-ID: CVE-2016-6489)

The vulnerability allows a remote attacker to perform a MitM attack.

The vulnerability exists due to an error in nettle-RSA code, which can be used in cache-sharing channel attacks. A remote attacker can create specially crafted RSA or DSA data and perform Man-in-the-Middle (MitM) attack.

Successful exploitation of this vulnerability will allow an attacker to gain access to potentially sensitive information.


Remediation

Install update from vendor's website.