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.
Published: 2009-10-23
Score: 4.3 Medium
EPSS: 2.2% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-1943-1 New openldap2.3/openldap packages fix SSL certificate verification weakness
EUVD EUVD EUVD-2009-3739 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.
Ubuntu USN Ubuntu USN USN-858-1 OpenLDAP vulnerability
History

No history.

Subscriptions

Apple Mac Os X
Fedoraproject Fedora
Openldap Openldap
Openssl Openssl
Redhat Enterprise Linux Jboss Enterprise Web Server
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T06:38:30.220Z

Reserved: 2009-10-23T00:00:00.000Z

Link: CVE-2009-3767

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-10-23T19:30:00.250

Modified: 2026-04-23T00:35:47.467

Link: CVE-2009-3767

cve-icon Redhat

Severity : Moderate

Publid Date: 2009-08-10T00:00:00Z

Links: CVE-2009-3767 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses