OpenLDAP -- incorrect handling of NULL in certificate Common Name

2009-08-07T00:00:00
ID ABAD20BF-C1B4-11E3-A5AC-001B21614864
Type freebsd
Reporter FreeBSD
Modified 2009-08-07T00:00:00

Description

Jan Lieskovsky reports:

OpenLDAP 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