[ASA-201811-20] webkit2gtk: arbitrary code execution

[Remi Gacogne]

Arch Linux Security Advisory ASA-201811-20
==========================================

Severity: Critical
Date : 2018-11-22
CVE-ID : CVE-2018-4372
Package : webkit2gtk
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-819

Summary
=======

The package webkit2gtk before version 2.22.4-1 is vulnerable to
arbitrary code execution.

Resolution
==========

Upgrade to 2.22.4-1.

# pacman -Syu "webkit2gtk>=2.22.4-1"

The problem has been fixed upstream in version 2.22.4.

Workaround
==========

None.

Description
===========

Multiple memory corruption issues have been found in WebKitGTK+
versions prior to 2.22.4, possibly leading to arbitrary code execution
while parsing crafted web content.

Impact
======

A remote attacker can execute arbitrary code on the affected host via a
crafted web content.

References
==========

https://webkitgtk.org/security/WSA-2018-0008.html
https://webkitgtk.org/security/WSA-2018-0008.html#CVE-2018-4372
https://security.archlinux.org/CVE-2018-4372