SB2020010950 - Type Confusion in firefox (Alpine package)



SB2020010950 - Type Confusion in firefox (Alpine package)

Published: January 9, 2020

Security Bulletin ID SB2020010950
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Type Confusion (CVE-ID: CVE-2019-17017)

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

The vulnerability exists due to a type confusion error when processing HTML content in XPCVariant.cpp. A remote attacker can create a specially crated web page, trigger a type confusion error 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.