National Cyber Awareness System

Vulnerability Summary for CVE-2009-2730

Overview

libgnutls in GnuTLS before 2.8.2 does not properly handle a '\0' character in a domain name in the subject's (1) Common Name (CN) or (2) Subject Alternative Name (SAN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: REDHAT

Name: RHSA-2010:0095

Hyperlink:https://rhn.redhat.com/errata/RHSA-2010-0095.html

External Source: XF

Name: gnutls-cn-san-security-bypass(52404)

Hyperlink:http://xforce.iss.net/xforce/xfdb/52404

External Source: CONFIRM

Name: http://www.vmware.com/security/advisories/VMSA-2009-0016.html

Hyperlink:http://www.vmware.com/security/advisories/VMSA-2009-0016.html

External Source: SECTRACK

Name: 1022777

Hyperlink:http://www.securitytracker.com/id?1022777

External Source: BUGTRAQ

Name: 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/507985/100/0/threaded

External Source: REDHAT

Name: RHSA-2009:1232

Hyperlink:http://www.redhat.com/support/errata/RHSA-2009-1232.html

External Source: MLIST

Name: [oss-security] 20090814 GnuTLS CVE-2009-2730 Patches (Was Re: GnuTLS 2.8.2)

Hyperlink:http://www.openwall.com/lists/oss-security/2009/08/14/6

External Source: SECUNIA

Name: 36496

Hyperlink:http://secunia.com/advisories/36496

External Source: SECUNIA

Name: 36266

Type: Advisory

Hyperlink:http://secunia.com/advisories/36266

External Source: OVAL

Name: oval:org.mitre.oval:def:8409

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:8409

External Source: OVAL

Name: oval:org.mitre.oval:def:10778

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10778

External Source: SUSE

Name: SUSE-SR:2009:015

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html

External Source: CONFIRM

Name: http://article.gmane.org/gmane.network.gnutls.general/1733

Type: Advisory

Hyperlink:http://article.gmane.org/gmane.network.gnutls.general/1733

References to Check Content

Identifier:oval:org.mitre.oval:def:10778

Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10778

Identifier:oval:org.mitre.oval:def:8409

Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:8409