bugtraq - [SECURITY] [DSA 2330-1] simplesamlphp security update

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Message-Id: <20111027165921.801C3599E5@kinkhorst.com>
Date: Thu, 27 Oct 2011 18:59:21 +0200 (CEST)
From: Thijs Kinkhorst <thijs@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 2330-1] simplesamlphp security update

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Debian Security Advisory DSA-2330-1                   security@...ian.org
http://www.debian.org/security/                           Thijs Kinkhorst
October 27, 2011                       http://www.debian.org/security/faq
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Package        : simplesamlphp
Vulnerability  : xml encryption weakness
Problem type   : remote
Debian-specific: no

Issues were found in the handling of XML encryption in simpleSAMLphp,
an application for federated authentication. The following two issues
have been addressed:

It may be possible to use an SP as an oracle to decrypt encrypted
messages sent to that SP.

It may be possible to use the SP as a key oracle which can be used
to forge messages from that SP by issuing 300000-2000000 queries to
the SP. 

The oldstable distribution (lenny) does not contain simplesamlphp.

For the stable distribution (squeeze), this problem has been fixed in
version 1.6.3-2.

The testing distribution (wheezy) will be fixed soon.

For the unstable distribution (sid), this problem has been fixed in
version 1.8.2-1.

We recommend that you upgrade your simplesamlphp packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@...ts.debian.org
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