Sicherheit: Mangelnde Rechteprüfung in arpwatch

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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <9897a8c4-2f78-0014-90f4-714fbdc3a412@gentoo.org>
Subject: [ GLSA 201607-16 ] arpwatch: Privilege escalation

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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 201607-16
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https://security.gentoo.org/
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Severity: High
Title: arpwatch: Privilege escalation
Date: July 20, 2016
Bugs: #419375
ID: 201607-16

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Synopsis
========

arpwatch is vulnerable to the escalation of privileges.

Background
==========

The ethernet monitor program; for keeping track of ethernet/ip address
pairings.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-analyzer/arpwatch < 2.1.15-r8 >= 2.1.15-r8

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

Arpwatch does not properly drop supplementary groups.

Impact
======

Attackers, if able to exploit arpwatch, could escalate privileges
outside of the running process.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All arpwatch users should upgrade to the latest version:

# emerge --sync
# emerge --ask -v --oneshot ">=net-analyzer/arpwatch-2.1.15-r8"

References
==========

[ 1 ] CVE-2012-2653
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-2653

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

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

https://security.gentoo.org/glsa/201607-16

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 201607-16
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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: High
Title: arpwatch: Privilege escalation
Date: July 20, 2016
Bugs: #419375
ID: 201607-16

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

arpwatch is vulnerable to the escalation of privileges.

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

The ethernet monitor program; for keeping track of ethernet/ip address
pairings.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-analyzer/arpwatch < 2.1.15-r8 >=3D
2.1.1=
5-r8=20

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

Arpwatch does not properly drop supplementary groups.

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

Attackers, if able to exploit arpwatch, could escalate privileges
outside of the running 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 arpwatch users should upgrade to the latest version:

# emerge --sync
# emerge --ask -v --oneshot
">=3Dnet-analyzer/arpwatch-2.1.15-r8"

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

[ 1 ] CVE-2012-2653
<a class=3D"moz-txt-link-freetext" href=3D"http://web.nvd.nist.gov/=
view/vuln/detail?vulnId=3DCVE-2012-2653">http://web.nvd.nist.gov/view/vul=
n/detail?vulnId=3DCVE-2012-2653</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/201607-16">https://security.gentoo.org/glsa/201607-16</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>
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