Sicherheit: Ausführen beliebiger Kommandos in Pygments

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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <5cd80ad6-c46a-7724-3af5-5cdf9472de7e@gentoo.org>
Subject: [ GLSA 201612-05 ] Pygments: Arbitrary code execution

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Gentoo Linux Security Advisory GLSA 201612-05
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https://security.gentoo.org/
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Severity: Normal
Title: Pygments: Arbitrary code execution
Date: December 04, 2016
Bugs: #564478
ID: 201612-05

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Synopsis
========

Pygments is vulnerable to remote code execution if an attacker is
allowed to specify the font name.

Background
==========

Pygments is a generic syntax highlighter suitable for use in code
hosting, forums, wikis or other applications that need to prettify
source code.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-python/pygments < 2.0.2-r1 >= 2.0.2-r1

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

A vulnerability in FontManager's _get_nix_font_path function allows
shell metacharacters to be passed in a font name.

Impact
======

A remote attacker could possibly execute arbitrary code with the
privileges of the process.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Pygments users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
">=dev-python/pygments-2.0.2-r1"

References
==========

[ 1 ] CVE-2015-8557
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8557

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

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

https://security.gentoo.org/glsa/201612-05

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 2016 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.

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

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Gentoo Linux Security Advisory GLSA 201612-05
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<a
class=3D"moz-txt-link-freet=
ext" href=3D"https://security.gentoo.org/">https://security.gentoo.org/</=
a>
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Severity: Normal
Title: Pygments: Arbitrary code execution
Date: December 04, 2016
Bugs: #564478
ID: 201612-05

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
=3D=3D=3D=3D=3D=3D=3D=3D

Pygments is vulnerable to remote code execution if an attacker is
allowed to specify the font name.

Background
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Pygments is a generic syntax highlighter suitable for use in code
hosting, forums, wikis or other applications that need to prettify
source code.

Affected packages
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-python/pygments < 2.0.2-r1 >=3D
2.0.=
2-r1=20

Description
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

A vulnerability in FontManager's _get_nix_font_path function allows
shell metacharacters to be passed in a font name.

Impact
=3D=3D=3D=3D=3D=3D

A remote attacker could possibly execute arbitrary code with the
privileges of the process.

Workaround
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

There is no known workaround at this time.

Resolution
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

All Pygments users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
">=3Ddev-python/pygments-2.0.2-r1=
"

References
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

[ 1 ] CVE-2015-8557
<a class=3D"moz-txt-link-freetext" href=3D"http://web.nvd.nist.gov/=
view/vuln/detail?vulnId=3DCVE-2015-8557">http://web.nvd.nist.gov/view/vul=
n/detail?vulnId=3DCVE-2015-8557</a>

Availability
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

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

<a class=3D"moz-txt-link-freetext" href=3D"https://security.gentoo.org/g=
lsa/201612-05">https://security.gentoo.org/glsa/201612-05</a>

Concerns?
=3D=3D=3D=3D=3D=3D=3D=3D=3D

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
<a class=3D"moz-txt-link-abbreviated"
href=3D"mailto:security@gentoo.org"=
>security@gentoo.org</a> or alternatively, you may file a bug at
<a class=3D"moz-txt-link-freetext" href=3D"https://bugs.gentoo.org">https=
://bugs.gentoo.org</a>.

License
=3D=3D=3D=3D=3D=3D=3D

Copyright 2016 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.

<a class=3D"moz-txt-link-freetext" href=3D"http://creativecommons.org/lic=
enses/by-sa/2.5">http://creativecommons.org/licenses/by-sa/2.5</a></pre>
</body>
</html>

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