CVE-2011-2701

CVSS V2 Medium 5.8 CVSS V3 None

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.

Overview

CVE ID
CVE-2011-2701

Assigner
secalert@redhat.com

Vulnerability Status
Modified

Published Version
2011-08-04T02:45:32

Last Modified Date
2018-10-09T19:32:47

Weakness Enumerations

CWE	URL
CWE-287	http://cwe.mitre.org/data/definitions/287.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:freeradius:freeradius:2.1.11:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:P/I:P/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
5.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
4.9

References

Reference URL	Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=724815	Patch
http://www.openwall.com/lists/oss-security/2011/07/15/6
http://www.openwall.com/lists/oss-security/2011/07/20/9
http://www.openwall.com/lists/oss-security/2011/07/18/2
http://secunia.com/advisories/45425	Vendor Advisory
http://www.securityfocus.com/bid/48880
https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html
http://securitytracker.com/id?1025833
http://securityreason.com/securityalert/8325
https://exchange.xforce.ibmcloud.com/vulnerabilities/68782
http://www.securityfocus.com/archive/1/518974/100/0/threaded

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2011-2701
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2701

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 18:35:40				Added to TrackCVE