SB2018092714 - Type confusion in webkit2gtk (Alpine package)



SB2018092714 - Type confusion in webkit2gtk (Alpine package)

Published: September 27, 2018

Security Bulletin ID SB2018092714
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) Type confusion (CVE-ID: CVE-2018-4246)

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

The vulnerability exists due to type confusion in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

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


Remediation

Install update from vendor's website.