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Sicherheit: Ausführen von Code mit höheren Privilegien in policykit
Aktuelle Meldungen Distributionen
Name: Ausführen von Code mit höheren Privilegien in policykit
ID: 201611-07
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Di, 15. November 2016, 10:44
Referenzen: http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3255

Originalnachricht

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <fb680cff-dd7a-a1c8-2705-52a898a556b3@gentoo.org>
Subject: [ GLSA 201611-07 ] polkit: Heap-corruption on duplicate IDs

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Gentoo Linux Security Advisory GLSA 201611-07
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https://security.gentoo.org/
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Severity: Normal
Title: polkit: Heap-corruption on duplicate IDs
Date: November 15, 2016
Bugs: #555666
ID: 201611-07

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Synopsis
========

polkit is vulnerable to local privilege escalation.

Background
==========

polkit is a toolkit for managing policies relating to unprivileged
processes communicating with privileged processes.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-auth/polkit < 0.113 >= 0.113

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

A vulnerability was discovered in polkit's
polkit_backend_action_pool_init function due to duplicate action IDs in
action descriptions.

Impact
======

Local attackers are able to gain unauthorized privileges on the system.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All polkit users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-auth/polkit-0.113"

References
==========

[ 1 ] CVE-2015-3255
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3255

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

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

https://security.gentoo.org/glsa/201611-07

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 201611-07
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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: polkit: Heap-corruption on duplicate IDs
Date: November 15, 2016
Bugs: #555666
ID: 201611-07

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

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

polkit is vulnerable to local privilege escalation.

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

polkit is a toolkit for managing policies relating to unprivileged
processes communicating with privileged processes.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-auth/polkit &lt; 0.113 &gt;=3D
0=
=2E113=20

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

A vulnerability was discovered in polkit's
polkit_backend_action_pool_init function due to duplicate action IDs in
action descriptions.

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

Local attackers are able to gain unauthorized privileges on the system.

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 polkit users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=3Dsys-auth/polkit-0.113"

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

[ 1 ] CVE-2015-3255
<a class=3D"moz-txt-link-freetext" href=3D"http://nvd.nist.gov/nvd.=
cfm?cvename=3DCVE-2015-3255">http://nvd.nist.gov/nvd.cfm?cvename=3DCVE-20=
15-3255</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/201611-07">https://security.gentoo.org/glsa/201611-07</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>
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