CVE-2011-2701

NameCVE-2011-2701
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
freeradius (PTS)buster3.0.17+dfsg-1.1+deb10u1fixed
buster (security)3.0.17+dfsg-1.1+deb10u2fixed
bullseye3.0.21+dfsg-2.2+deb11u1fixed
bookworm3.2.1+dfsg-4+deb12u1fixed
sid, trixie3.2.3+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
freeradiussource(unstable)(not affected)

Notes

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

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