SB2016122609 - Input validation error in firefox-esr (Alpine package)



SB2016122609 - Input validation error in firefox-esr (Alpine package)

Published: December 26, 2016

Security Bulletin ID SB2016122609
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-2016-9901)

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

HTML tags received from the Pocket server will be processed without sanitization and any JavaScript code executed will be run in the "about:pocket-saved" (unprivileged) page, giving it access to Pocket's messaging API through HTML injection. This vulnerability affects Firefox ESR < 45.6 and Firefox < 50.1.


Remediation

Install update from vendor's website.