sendmail before 8.14.4 does not properly handle a '\0' character in a Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based SMTP servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended access restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2010-01-04T21:00:00

Updated: 2024-08-07T07:08:38.091Z

Reserved: 2010-01-04T00:00:00

Link: CVE-2009-4565

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2010-01-04T21:30:00.640

Modified: 2017-09-19T01:29:59.750

Link: CVE-2009-4565

cve-icon Redhat

Severity : Low

Publid Date: 2009-12-30T00:00:00Z

Links: CVE-2009-4565 - Bugzilla