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Sicherheit: Ausführen beliebiger Kommandos in ZNC
Aktuelle Meldungen Distributionen
Name: Ausführen beliebiger Kommandos in ZNC
ID: 200903-02
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Fr, 6. März 2009, 23:44
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0759
Applikationen: znc

Originalnachricht

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Gentoo Linux Security Advisory GLSA 200903-02
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http://security.gentoo.org/
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Severity: High
Title: ZNC: Privilege escalation
Date: March 06, 2009
Bugs: #260148
ID: 200903-02

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Synopsis
========

A vulnerability in ZNC allows for privilege escalation.

Background
==========

ZNC is an advanced IRC bouncer.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-irc/znc < 0.066 >=3D 0.066

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

cnu discovered multiple CRLF injection vulnerabilities in ZNC's
webadmin module.

Impact
======

A remote authenticated attacker could modify the znc.conf configuration
file and gain privileges via newline characters in e.g. the QuitMessage
field, and possibly execute arbitrary code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All ZNC users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=3Dnet-irc/znc-0.066"

References
==========

[ 1 ] CVE-2009-0759
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2009-0759

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

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

http://security.gentoo.org/glsa/glsa-200903-02.xml

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
http://bugs.gentoo.org.

License
=======

Copyright 2009 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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