SB2019052722 - Memory leak in firefox-esr (Alpine package)



SB2019052722 - Memory leak in firefox-esr (Alpine package)

Published: May 27, 2019

Security Bulletin ID SB2019052722
CSH 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 vulnerability.


1) Memory leak (CVE-ID: CVE-2019-11694)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in Windows sandbox where an uninitialized value in memory can be leaked to a renderer from a broker when making a call to access an otherwise unavailable file.. A remote attacker can create a specially crafted web page and gain access to sensitive information stored in memory on the system.

Note: the vulnerability affects Windows versions of Firefox.


Remediation

Install update from vendor's website.