Home/CVE/The ocsp_check function in rlm_eap_tls.c in FreeRADIUS 2.1.11, when OCSP is enabled, does not properly parse replies fro
CVE

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 fro

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.

MEDIUM · CVSS 5.8 EPSS 0.00451
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
▤

Affected Products & Versions

1
freeradiusall versions
▣

Scoring & Timeline

5.8
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:P/A:N
Published to NVD04 Aug 2011 · 02:45 AM
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/45425Vendor Advisory
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
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