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CVE-2009-4565

Status Candidate

Overview

sendmail before 8.14.4 does not properly handle a '�' 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.

Related Files

Gentoo Linux Security Advisory 201206-30
Posted Jun 25, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201206-30 - An error in the hostname matching in sendmail might enable remote attackers to conduct man-in-the-middle attacks. Versions less than 8.14.4 are affected.

tags | advisory, remote
systems | linux, gentoo
advisories | CVE-2009-4565
MD5 | 0825f570770528b4248fd45b3743b9fb
HP Security Bulletin HPSBUX02508 SSRT100007
Posted Mar 28, 2010
Authored by Hewlett Packard | Site hp.com

HP Security Bulletin - A potential security vulnerability has been identified with HP-UX running sendmail and STARTTLS enabled. This vulnerability could allow a user to gain remote unauthorized access.

tags | advisory, remote
systems | hpux
advisories | CVE-2009-4565
MD5 | f42b0857d55d9dd40dd641634584e6dd
Debian Linux Security Advisory 1985-1
Posted Jan 31, 2010
Authored by Debian | Site debian.org

Debian Linux Security Advisory 1985-1 - It was discovered that sendmail, a Mail Transport Agent, does not properly handle a '\\0' character in a Common Name (CN) field of an X.509 certificate. This allows an attacker to spoof arbitrary SSL-based SMTP servers via a crafted server certificate issued by a legitimate Certification Authority, and to bypass intended access restrictions via a crafted client certificate issued by a legitimate Certification Authority.

tags | advisory, arbitrary, spoof
systems | linux, debian
advisories | CVE-2009-4565
MD5 | 079a17fa8d5d399fecb93c8957fd2d86
Mandriva Linux Security Advisory 2010-003
Posted Jan 12, 2010
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2010-003 - sendmail before 8.14.4 does not properly handle a '\\0' (NUL) 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. Packages for 2008.0 are provided for Corporate Desktop 2008.0 customers. This update provides a fix for this vulnerability.

tags | advisory, remote, arbitrary, spoof
systems | linux, mandriva
advisories | CVE-2009-4565
MD5 | c18ea676b8eb51367d52261fb2788cf0
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