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Gentoo Linux Security Advisory                           GLSA 202104-03
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: WebkitGTK+: Multiple vulnerabilities
      Date: April 30, 2021
      Bugs: #770793, #773193
        ID: 202104-03

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Synopsis
========

Multiple vulnerabilities have been found in WebkitGTK+, the worst of
which could result in the arbitrary execution of code.

Background
==========

WebKitGTK+ is a full-featured port of the WebKit rendering engine,
suitable for projects requiring any kind of web integration, from
hybrid HTML/CSS applications to full-fledged web browsers.

Affected packages
=================

     -------------------------------------------------------------------
      Package              /     Vulnerable     /            Unaffected
     -------------------------------------------------------------------
   1  net-libs/webkit-gtk          < 2.30.6                  >= 2.30.6

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

Multiple vulnerabilities have been discovered in WebkitGTK+. Please
review the CVE identifiers referenced below for details.

Impact
======

An attacker, by enticing a user to visit maliciously crafted web
content, may be able to execute arbitrary code, violate iframe
sandboxing policy, access restricted ports on arbitrary servers, cause
memory corruption, or could cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All WebkitGTK+ users should upgrade to the latest version:

   # emerge --sync
   # emerge --ask --oneshot --verbose ">=net-libs/webkit-gtk-2.30.6"

References
==========

[  1 ] CVE-2020-13558
        https://nvd.nist.gov/vuln/detail/CVE-2020-13558
[  2 ] CVE-2020-27918
        https://nvd.nist.gov/vuln/detail/CVE-2020-27918
[  3 ] CVE-2020-29623
        https://nvd.nist.gov/vuln/detail/CVE-2020-29623
[  4 ] CVE-2020-9947
        https://nvd.nist.gov/vuln/detail/CVE-2020-9947
[  5 ] CVE-2021-1765
        https://nvd.nist.gov/vuln/detail/CVE-2021-1765
[  6 ] CVE-2021-1789
        https://nvd.nist.gov/vuln/detail/CVE-2021-1789
[  7 ] CVE-2021-1799
        https://nvd.nist.gov/vuln/detail/CVE-2021-1799
[  8 ] CVE-2021-1801
        https://nvd.nist.gov/vuln/detail/CVE-2021-1801
[  9 ] CVE-2021-1870
        https://nvd.nist.gov/vuln/detail/CVE-2021-1870
[ 10 ] WSA-2021-0001
        https://webkitgtk.org/security/WSA-2021-0001.html
[ 11 ] WSA-2021-0002
        https://webkitgtk.org/security/WSA-2021-0002.html

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/202104-03

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2021 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5