CVE-2009-4565

CVE Details

Release Date:	2010-01-04
Impact:	Low	What is this?

Description

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.

See more information about CVE-2009-4565 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	7.5
Vector String:	AV:N/AC:L/Au:N/C:P/I:P/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Enterprise Linux version 4 (sendmail)	ELSA-2011-0262	2011-02-23
Oracle Linux version 5 (sendmail)	ELSA-2010-0237	2010-04-05