certfr_avis - certa-2012-avi-191

CERTA-2012-AVI-191

Vulnerability from certfr_avis

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

Modified

2024-08-06 23:08

Severity ?

CWE

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.

References

URL

Tags

	http://www.securityfocus.com/bid/48880	vdb-entry, x_refsource_BID
	https://exchange.xforce.ibmcloud.com/vulnerabilities/68782	vdb-entry, x_refsource_XF
	http://www.openwall.com/lists/oss-security/2011/07/15/6	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2011/07/18/2	mailing-list, x_refsource_MLIST
	http://secunia.com/advisories/45425	third-party-advisory, x_refsource_SECUNIA
	http://www.securityfocus.com/archive/1/518974/100/0/threaded	mailing-list, x_refsource_BUGTRAQ
	https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html	x_refsource_MISC
	http://securityreason.com/securityalert/8325	third-party-advisory, x_refsource_SREASON
	http://securitytracker.com/id?1025833	vdb-entry, x_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-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

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 seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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