SB2016122611 - Information disclosure in firefox-esr (Alpine package)
Published: December 26, 2016
Security Bulletin ID
SB2016122611
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2016-9904)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
An attacker could use a JavaScript Map/Set timing attack to determine whether an atom is used by another compartment/zone in specific contexts. This could be used to leak information, such as usernames embedded in JavaScript code, across websites. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.
Remediation
Install update from vendor's website.