Otkrivena je ranjivost programskog paketa simplesamlphp koja omogućava zlonamjernim napadačima dekriptiranje poruka poslanih SP-u ili kreiranje falsificiranih poruka.
Otkriveni su nedostaci pri XML enkripciji u programskom paketu simplesamplphp.
Posljedica:
Zlonamjerni napadači mogu koristiti SP za dekriptiranje poruka poslanih tom SP-u, ili za stvaranje krivotvorenih poruka tog SP-a slanjem 300000-2000000 upita tom SP-u.
Rješenje:
Preporuča se žurna nadogradnja programskog paketa.
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Debian Security Advisory DSA-2330-1 Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.
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: Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.
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