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Status published
Medium
CVE-2011-2701
The ocsp_check function in rlm_eap_tls.c in FreeRADIUS 2.1.11, when OCSP...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securityfocus.com/bid/48880
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68782
- http://www.openwall.com/lists/oss-security/2011/07/15/6
- http://www.openwall.com/lists/oss-security/2011/07/18/2
- http://secunia.com/advisories/45425
- http://www.securityfocus.com/archive/1/518974/100/0/threaded
- https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html
- http://securityreason.com/securityalert/8325
- http://securitytracker.com/id?1025833
- https://bugzilla.redhat.com/show_bug.cgi?id=724815
- http://www.openwall.com/lists/oss-security/2011/07/20/9
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Affected Vendor
freeradius
View all reports →Affected Software
freeradius
Vulnerable Versions:
2.1.11
Timeline
Official Publish:
August 4th, 2011
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.