SB2017012629 - Input validation error in firefox-esr (Alpine package)



SB2017012629 - Input validation error in firefox-esr (Alpine package)

Published: January 26, 2017

Security Bulletin ID SB2017012629
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2017-5390)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The JSON viewer in the Developer Tools uses insecure methods to create a communication channel for copying and viewing JSON or HTTP headers data, allowing for potential privilege escalation. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.


Remediation

Install update from vendor's website.