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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
Check for the version of the spamassassin packages
Detailed Explanation for this Vulnerability Assessment
Updated spamassassin packages that fix an arbitrary code execution flaw
are now available.
This update has been rated as having moderate security impact by the Red
Hat Security Response Team.
SpamAssassin provides a way to reduce unsolicited commercial email (SPAM)
from incoming email.
A flaw was found with the way the Spamassassin spamd daemon processes the
virtual pop username passed to it. If a site is running spamd with both the
--vpopmail and --paranoid flags, it is possible for a remote user with the
ability to connect to the spamd daemon to execute arbitrary commands as
the user running the spamd daemon. (CVE-2006-2447)
Note: None of the IMAP or POP servers shipped with Red Hat Enterprise Linux
4 support vpopmail delivery. Running spamd with the --vpopmail and
--paranoid flags is uncommon and not the default startup option as shipped
with Red Hat Enterprise Linux 4.
Spamassassin, as shipped in Red Hat Enterprise Linux 4, performs RBL
lookups against visi.com to help acertain if an email is spam. However,
this DNS RBL has recently disappeared, resulting in mail filtering delays
Users of SpamAssassin should upgrade to these updated packages containing
version 3.0.6 and backported patches, which are not vulnerable to these
Solution : http://rhn.redhat.com/errata/RHSA-2006-0543.html
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security
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