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Gentoo Linux Security Advisory GLSA 200410-05

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                                        http://security.gentoo.org/

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Severity: High
Title: Cyrus-SASL: Buffer overflow and SASL_PATH vulnerabilities
Date: October 07, 2004
Bugs: #56016
ID: 200410-05

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Synopsis

Cyrus-SASL contains two vulnerabilities that might allow an attacker to
completely compromise the vulnerable system.

Background

Cyrus-SASL is an implementation of the Simple Authentication and
Security Layer.

Affected packages

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 Package              /   Vulnerable   /                Unaffected
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1 dev-libs/cyrus-sasl <= 2.1.18-r1 >= 2.1.18-r2

Description

Cyrus-SASL contains a remote buffer overflow in the digestmda5.c file.
Additionally, under certain conditions it is possible for a local user
to exploit a vulnerability in the way the SASL_PATH environment
variable is honored (CAN-2004-0884).

Impact

An attacker might be able to execute arbitrary code with the Effective
ID of the application calling the Cyrus-SASL libraries.

Workaround

There is no known workaround at this time.

Resolution

All Cyrus-SASL users should upgrade to the latest stable version:

# emerge sync

# emerge -pv ">=dev-libs/cyrus-sasl-2.1.18-r2"
# emerge ">=dev-libs/cyrus-sasl-2.1.18-r2"

References

[ 1 ] CAN-2004-0884
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0884

Availability

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

http://security.gentoo.org/glsa/glsa-200410-05.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
[email protected] or alternatively, you may file a bug at
http://bugs.gentoo.org.

License

Copyright 2004 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/1.0