CVE-2011-2701
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
AI Score
Confidence
Low
EPSS
Percentile
80.6%
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 configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| freeradius | freeradius | 2.1.11 | cpe:2.3:a:freeradius:freeradius:2.1.11:*:*:*:*:*:*:* |
References
secunia.com/advisories/45425
securityreason.com/securityalert/8325
securitytracker.com/id?1025833
www.openwall.com/lists/oss-security/2011/07/15/6
www.openwall.com/lists/oss-security/2011/07/18/2
www.openwall.com/lists/oss-security/2011/07/20/9
www.securityfocus.com/archive/1/518974/100/0/threaded
www.securityfocus.com/bid/48880
bugzilla.redhat.com/show_bug.cgi?id=724815
exchange.xforce.ibmcloud.com/vulnerabilities/68782
www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
AI Score
Confidence
Low
EPSS
Percentile
80.6%