Description
The ocsp_check function in rlm_eap_tls.c in FreeRADIUS 2.1.11, when OCSP is enabled, does not properly parse replies from OCSP responders, which allows remote attackers to bypass authentication by using the EAP-TLS protocol with a revoked X.509 client certificate.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.securityfocus.com/bid/48880 ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68782 ↗
- http://www.openwall.com/lists/oss-security/2011/07/15/6 ↗
- http://www.openwall.com/lists/oss-security/2011/07/18/2 ↗
- http://secunia.com/advisories/45425 ↗
- http://www.securityfocus.com/archive/1/518974/100/0/threaded ↗
- https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html ↗
- http://securityreason.com/securityalert/8325 ↗
- http://securitytracker.com/id?1025833 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=724815 ↗
- http://www.openwall.com/lists/oss-security/2011/07/20/9 ↗