* [gentoo-announce] [ GLSA 201009-02 ] Maildrop: privilege escalation
@ 2010-09-06 21:03 99% Pierre-Yves Rofes
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From: Pierre-Yves Rofes @ 2010-09-06 21:03 UTC (permalink / raw
To: gentoo-announce; +Cc: bugtraq, full-disclosure, security-alerts
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Gentoo Linux Security Advisory GLSA 201009-02
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http://security.gentoo.org/
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Severity: High
Title: Maildrop: privilege escalation
Date: September 06, 2010
Bugs: #308043
ID: 201009-02
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Synopsis
========
Insecure permission handling in maildrop might allow local attackers to
elevate their privileges.
Background
==========
maildrop is the mail filter/mail delivery agent that is used by the
Courier Mail Server.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-filter/maildrop < 2.4.2 >= 2.4.2
Description
===========
Christoph Anton Mitterer reported that maildrop does not properly drop
its privileges when run as root.
Impact
======
A local attacker could create a specially crafted .mailfilter file,
possibly leading to the execution of arbitrary commands with the "root"
group privileges. NOTE: Successful exploitation requires that maildrop
is run as root with the -d option.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All maildrop users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-filter/maildrop-2.4.2"
References
==========
[ 1 ] CVE-2010-0301
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0301
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201009-02.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
https://bugs.gentoo.org.
License
=======
Copyright 2010 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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