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Debian: Security update for simpleSAMLphp

Issues were found in the handling of XML encryption in simpleSAMLphp, an application for federated authentication. 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. Updated packages are available from security.debian.org.

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2330-1                   security@debian.org
http://www.debian.org/security/                           Thijs Kinkhorst
October 27, 2011                       http://www.debian.org/security/faq
- -------------------------------------------------------------------------

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@lists.debian.org
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