National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-3767 Detail

Description

libraries/libldap/tls_o.c in OpenLDAP 2.2 and 2.4, and possibly other versions, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) 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, a related issue to CVE-2009-2408.

Source:  MITRE      Last Modified:  10/23/2009

Quick Info

CVE Dictionary Entry:
CVE-2009-3767
Original release date:
10/23/2009
Last revised:
09/18/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
6.8 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (07/20/2010)

Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-3767 This issue was addressed in the openldap packages as shipped with Red Hat Enterprise Linux 5 and 4 via: https://rhn.redhat.com/errata/RHSA-2010-0198.html and https://rhn.redhat.com/errata/RHSA-2010-0543.html respectively. The Red Hat Security Response Team has rated this issue as having moderate security impact, a future openldap update may address this flaw in Red Hat Enterprise Linux 3.

Official Statement from OpenLDAP (10/30/2009)

OpenLDAP reported this issue and published a patch for it on 2009-07-30. The patch was included in OpenLDAP 2.4.18 which was released on 2009-09-06. The current release of OpenLDAP is available from the following location: http://www.openldap.org/software/download/

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html External Source APPLE APPLE-SA-2009-11-09-1
http://lists.fedoraproject.org/pipermail/package-announce/2010-March/036138.html External Source FEDORA FEDORA-2010-0752
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html External Source SUSE SUSE-SR:2009:016
http://marc.info/?l=oss-security&m=125198917018936&w=2 External Source MLIST [oss-security] 20090903 More CVE-2009-2408 like issues
http://marc.info/?l=oss-security&m=125369675820512&w=2 External Source MLIST [oss-security] 20090923 Re: More CVE-2009-2408 like issues
http://security.gentoo.org/glsa/glsa-201406-36.xml External Source GENTOO GLSA-201406-36
http://support.apple.com/kb/HT3937 External Source CONFIRM http://support.apple.com/kb/HT3937
http://www.openldap.org/devel/cvsweb.cgi/libraries/libldap/tls_o.c.diff?r1=1.8&r2=1.11&f=h External Source CONFIRM http://www.openldap.org/devel/cvsweb.cgi/libraries/libldap/tls_o.c.diff?r1=1.8&r2=1.11&f=h
http://www.redhat.com/support/errata/RHSA-2010-0543.html External Source REDHAT RHSA-2010:0543
http://www.redhat.com/support/errata/RHSA-2011-0896.html External Source REDHAT RHSA-2011:0896
http://www.vupen.com/english/advisories/2009/3056 External Source VUPEN ADV-2009-3056
http://www.vupen.com/english/advisories/2010/1858 External Source VUPEN ADV-2010-1858
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11178 External Source OVAL oval:org.mitre.oval:def:11178
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7274 External Source OVAL oval:org.mitre.oval:def:7274

References to Check Content

Identifier:
oval:org.mitre.oval:def:11178
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:11178
Identifier:
oval:org.mitre.oval:def:7274
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:7274

Technical Details

Vulnerability Type (View All)

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