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Home >> Browse Vulnerability Assessment Database >> Ubuntu Local Security Checks >> USN74-1 : postfix vulnerability


Vulnerability Assessment Details

USN74-1 : postfix vulnerability

Vulnerability Assessment Summary
postfix vulnerability

Detailed Explanation for this Vulnerability Assessment

Summary :

These remote packages are missing security patches :
- postfix
- postfix-dev
- postfix-doc
- postfix-ldap
- postfix-mysql
- postfix-pcre
- postfix-pgsql
- postfix-tls


Description :

Jean-Samuel Reynaud noticed a programming error in the IPv6 handling
code of Postfix when /proc/net/if_inet6 is not available (which is the
case in Ubuntu since Postfix runs in a chroot). If "permit_mx_backup"
was enabled in the "smtpd_recipient_restrictions", Postfix turned into
an open relay, i. e. erroneously permitted the delivery of arbitrary
mail to any MX host which has an IPv6 address.

Solution :

Upgrade to :
- postfix-2.1.3-1ubuntu17.1 (Ubuntu 4.10)
- postfix-dev-2.1.3-1ubuntu17.1 (Ubuntu 4.10)
- postfix-doc-2.1.3-1ubuntu17.1 (Ubuntu 4.10)
- postfix-ldap-2.1.3-1ubuntu17.1 (Ubuntu 4.10)
- postfix-mysql-2.1.3-1ubuntu17.1 (Ubuntu 4.10)
- postfix-pcre-2.1.3-1ubuntu17.1 (Ubuntu 4.10)
- postfix-pgsql-2.1.3-1ubuntu17.1 (Ubuntu 4.10)
- postfix-tls-2.1.3-1ubuntu17.1 (Ubuntu 4.10)



Network Security Threat Level: High


Networks Security ID:

Vulnerability Assessment Copyright: Ubuntu Security Notice (C) 2005 Canonical, Inc. / NASL script (C) 2005 Michel Arboi

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