CVE-2011-2701

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.8 UNKNOWN
NETWORK
MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
VendorProductVersion
freeradiusfreeradius
2.1.11
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
freeradius
bullseye
3.0.21+dfsg-2.2+deb11u1
fixed
bookworm
3.2.1+dfsg-4+deb12u1
fixed
sid
3.2.5+dfsg-3
fixed
trixie
3.2.5+dfsg-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
freeradius
natty
not-affected
maverick
not-affected
lucid
not-affected
hardy
ignored
Common Weakness Enumeration
References
http://secunia.com/advisories/45425
http://securityreason.com/securityalert/8325
http://securitytracker.com/id?1025833
http://www.openwall.com/lists/oss-security/2011/07/15/6
http://www.openwall.com/lists/oss-security/2011/07/18/2
http://www.openwall.com/lists/oss-security/2011/07/20/9
http://www.securityfocus.com/archive/1/518974/100/0/threaded
http://www.securityfocus.com/bid/48880
https://bugzilla.redhat.com/show_bug.cgi?id=724815
https://exchange.xforce.ibmcloud.com/vulnerabilities/68782
https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html
http://secunia.com/advisories/45425
http://securityreason.com/securityalert/8325
http://securitytracker.com/id?1025833
http://www.openwall.com/lists/oss-security/2011/07/15/6
http://www.openwall.com/lists/oss-security/2011/07/18/2
http://www.openwall.com/lists/oss-security/2011/07/20/9
http://www.securityfocus.com/archive/1/518974/100/0/threaded
http://www.securityfocus.com/bid/48880
https://bugzilla.redhat.com/show_bug.cgi?id=724815
https://exchange.xforce.ibmcloud.com/vulnerabilities/68782
https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html