Gentoo: GLSA 202311-01 Critical: Maildrop Remote Code Execution
gentoo
September 6, 2010
Insecure permission handling in maildrop might allow local attackers to elevate their privileges.
Summary
Christoph Anton Mitterer reported that maildrop does not properly drop its privileges when run as root.
Topics Covered
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 https://www.cve.org/CVERecord?id=CVE-2010-0301
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201009-02
style>.gentoo_availability{display:block;}
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.
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Critical
Severity: High
Title: Maildrop: privilege escalation
Date: September 06, 2010
Bugs: #308043
ID: 201009-02
Topics Covered
Background
maildrop is the mail filter/mail delivery agent that is used by the
Courier Mail Server.
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Affected Packages
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Package / Vulnerable / Unaffected
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1 mail-filter/maildrop < 2.4.2 >= 2.4.2
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.
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