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TITLE:
GnuTLS X.509 Certificate Chain Validation Vulnerability

SECUNIA ADVISORY ID:
SA32619

VERIFY ADVISORY:
http://secunia.com/advisories/32619/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass, Spoofing

WHERE:
>From remote

SOFTWARE:
GnuTLS 2.x
http://secunia.com/advisories/product/18736/

DESCRIPTION:
A vulnerability has been reported in GnuTLS, which can be exploited
by malicious people to bypass certain security restrictions.

The vulnerability is caused due to an error when validating the X.509
certificate chain and can be exploited to spoof arbitrary names e.g.
during a Man-in-the-Middle (MitM) attack.

The vulnerability is reported in versions prior to 2.6.1.

SOLUTION:
Update to version 2.6.1.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Martin von Gagern.

ORIGINAL ADVISORY:
http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3215

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