CVE-2011-2701

Name	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
freeradius (PTS)	buster	3.0.17+dfsg-1.1+deb10u1	fixed
	buster (security)	3.0.17+dfsg-1.1+deb10u2	fixed
	bullseye	3.0.21+dfsg-2.2+deb11u1	fixed
	bookworm, sid	3.2.1+dfsg-4	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
freeradius	source	(unstable)	(not affected)

- freeradius <not-affected> (Introduced in 2.1.11, even sid ships 2.1.10+dfsg-3+b2)