certfr_avis - CERTA-2012-AVI-191

CERTA-2012-AVI-191

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été corrigée dans FreeRADIUS. La vulnérabilité concerne la fonction « ocsp_check » de « rlm_eap_tls.c ». L'exploitation de cette faille permet de contourner l'authentification en utilisant le protocole EAP-TLS avec un certificat client X.509 révoqué.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

FreeRADIUS 2.1.11.

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

CVE-2011-2701 (GCVE-0-2011-2701)

Vulnerability from cvelistv5 – Published: 2011-08-04 01:00 – Updated: 2024-08-06 23:08

Summary

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.

Severity ?

No CVSS data available.

CWE

Assigner

redhat

References

URL

Tags

	http://www.securityfocus.com/bid/48880	vdb-entryx_refsource_BID
	https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF
	http://www.openwall.com/lists/oss-security/2011/07/15/6	mailing-listx_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2011/07/18/2	mailing-listx_refsource_MLIST
	http://secunia.com/advisories/45425	third-party-advisoryx_refsource_SECUNIA
	http://www.securityfocus.com/archive/1/518974/100…	mailing-listx_refsource_BUGTRAQ
	https://www.dfn-cert.de/informationen/Sicherheits…	x_refsource_MISC
	http://securityreason.com/securityalert/8325	third-party-advisoryx_refsource_SREASON
	http://securitytracker.com/id?1025833	vdb-entryx_refsource_SECTRACK
	https://bugzilla.redhat.com/show_bug.cgi?id=724815	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2011/07/20/9	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

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