[ASA-201902-17] webkit2gtk: arbitrary code execution

[Jelle van der Waa]

Arch Linux Security Advisory ASA-201902-17
==========================================

Severity: Critical
Date    : 2019-02-15
CVE-ID  : CVE-2019-6212 CVE-2019-6215
Package : webkit2gtk
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-899

Summary
=======

The package webkit2gtk before version 2.22.6-1 is vulnerable to
arbitrary code execution.

Resolution
==========

Upgrade to 2.22.6-1.

# pacman -Syu "webkit2gtk>=2.22.6-1"

The problems have been fixed upstream in version 2.22.6.

Workaround
==========

None.

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

- CVE-2019-6212 (arbitrary code execution)

Multiple memory corruption issues have been found in WebKitGTK+ before
2.22.6, where processing maliciously crafted web content may lead to
arbitrary code execution.

- CVE-2019-6215 (arbitrary code execution)

A type confusion issue has been found in WebKitGTK+ before 2.22.6,
where processing maliciously crafted web content may lead to arbitrary
code execution.

Impact
======

A remote attacker can execute arbitrary code via maliciously crafted
web content.

References
==========

https://webkitgtk.org/security/WSA-2019-0001.html
https://webkitgtk.org/security/WSA-2019-0001.html#CVE-2019-6212
https://webkitgtk.org/security/WSA-2019-0001.html#CVE-2019-6215
https://security.archlinux.org/CVE-2019-6212
https://security.archlinux.org/CVE-2019-6215
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