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CVE-2009-3767

MEDIUM CVSS: 4.3 Published: 2009-10-23 Modified: 2026-06-16

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.

Affected Platforms

Openldap OpenldapApple Mac Os XFedoraproject FedoraOpenssl Openssl

Weakness Type

CWE-295

References