SB2019052721 - Buffer overflow in firefox-esr (Alpine package)



SB2019052721 - Buffer overflow in firefox-esr (Alpine package)

Published: May 27, 2019

Security Bulletin ID SB2019052721
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) Buffer overflow (CVE-ID: CVE-2019-11693)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in bufferdata function in WebGL with specific graphics drivers on Linux. A remote attacker can create a specially crafted web apge, trick the victim into visiting it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.