CVE-2009-4565

Publication date 4 January 2010

Last updated 24 July 2024

Ubuntu priority

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
sendmail	11.10 oneiric	Not affected
	11.04 natty	Not affected
	10.10 maverick	Not affected
	10.04 LTS lucid	Not affected
	9.10 karmic	Ignored end of life
	9.04 jaunty	Ignored end of life
	8.10 intrepid	Ignored end of life, was needed
	8.04 LTS hardy	Ignored end of life
	6.06 LTS dapper	Ignored end of life

Notes

mdeslaur

sendmail is in main only for libmilter, all other binary packages are in universe. This flaw affects sendmail packages in universe.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
sendmail	Vendor: http://www.mandriva.com/en/security/advisories?name=MDVSA-2010:003 Vendor: http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=21;filename=sendmail_8.14.3-9.1.debdiff;att=1;bug=564581 Vendor: https://bugzilla.redhat.com/attachment.cgi?id=382283&action=diff