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Gentoo Linux Security Advisory GLSA 200904-08
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http://security.gentoo.org/
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Severity: Normal
Title: OpenSSL: Denial of Service
Date: April 07, 2009
Bugs: #263751
ID: 200904-08
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Synopsis
=======
An error in OpenSSL might allow for a Denial of Service when printing
certificate details.
Background
=========
OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer
(SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general
purpose cryptography library.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/openssl < 0.9.8k >= 0.9.8k
Description
==========
The ASN1_STRING_print_ex() function does not properly check the
provided length of a BMPString or UniversalString, leading to an
invalid memory access.
Impact
=====
A remote attacker could entice a user or automated system to print a
specially crafted certificate, possibly leading to a Denial of Service.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All OpenSSL users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/openssl-0.9.8k"
References
=========
[ 1 ] CVE-2009-0590
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200904-08.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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