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CVE-2011-1720

Published: 11 May 2011

The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods are enabled, does not create a new server handle after client authentication fails, which allows remote attackers to cause a denial of service (heap memory corruption and daemon crash) or possibly execute arbitrary code via an invalid AUTH command with one method followed by an AUTH command with a different method.

Priority

Medium

Status

Package Release Status
postfix
Launchpad, Ubuntu, Debian
upstream
Released (2.8.3)
dapper
Released (2.2.10-1ubuntu0.4)
hardy
Released (2.5.1-2ubuntu1.4)
lucid
Released (2.7.0-1ubuntu0.2)
maverick
Released (2.7.1-1ubuntu0.2)
natty
Released (2.8.2-1ubuntu2.1)