CVE-2011-2701

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.

References

https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html

https://exchange.xforce.ibmcloud.com/vulnerabilities/68782

https://bugzilla.redhat.com/show_bug.cgi?id=724815

http://www.securityfocus.com/bid/48880

http://www.securityfocus.com/archive/1/518974/100/0/threaded

http://www.openwall.com/lists/oss-security/2011/07/20/9

http://www.openwall.com/lists/oss-security/2011/07/18/2

http://www.openwall.com/lists/oss-security/2011/07/15/6

http://securitytracker.com/id?1025833

http://securityreason.com/securityalert/8325

http://secunia.com/advisories/45425

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3