CVE-2009-3767 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD score not yet provided.


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Vendor Statements (disclaimer)

Official Statement fromOpenLDAP (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/

Official Statement fromRed 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.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html Mailing List  Third Party Advisory 
http://lists.fedoraproject.org/pipermail/package-announce/2010-March/036138.html Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html Mailing List  Third Party Advisory 
http://marc.info/?l=oss-security&m=125198917018936&w=2 Third Party Advisory 
http://marc.info/?l=oss-security&m=125369675820512&w=2 Third Party Advisory 
http://security.gentoo.org/glsa/glsa-201406-36.xml Third Party Advisory 
http://support.apple.com/kb/HT3937 Broken Link 
http://www.openldap.org/devel/cvsweb.cgi/libraries/libldap/tls_o.c.diff?r1=1.8&r2=1.11&f=h Patch  Vendor Advisory 
http://www.redhat.com/support/errata/RHSA-2010-0543.html Third Party Advisory 
http://www.redhat.com/support/errata/RHSA-2011-0896.html Third Party Advisory 
http://www.vupen.com/english/advisories/2009/3056 Third Party Advisory 
http://www.vupen.com/english/advisories/2010/1858 Third Party Advisory 
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11178 Third Party Advisory 
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7274 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-295 Improper Certificate Validation cwe source acceptance level NIST  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-3767
NVD Published Date:
10/23/2009
NVD Last Modified:
10/14/2020
Source:
MITRE