RHSA-2007:0779 - Security Advisory

Topic

Updated mailman packages that fix a security issue and various bugs are now
available for Red Hat Enterprise Linux 4.

This update has been rated as having low security impact by the Red Hat
Security Response Team.

Description

Mailman is a program used to help manage email discussion lists.

A flaw was found in Mailman. A remote attacker could spoof messages in
the error log, and possibly trick the administrator into visiting malicious
URLs via a carriage return/line feed sequence in the URI. (CVE-2006-4624)

As well, these updated packages fix the following bugs:

• canceling a subscription on the confirm subscription request page

caused mailman to crash.

• editing the sender filter caused all spam filter rules to be deleted.
• the migrate-fhs script was not included.
• the mailman init script returned a zero (success) exit code even when

an incorrect command was given. For example, the "mailman foo" command
returned a zero exit code. In these updated packages the mailmain init
script returns the correct exit codes.

Users of Mailman are advised to upgrade to these updated packages, which
resolve these issues.

Solution

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

Affected Products

• Red Hat Enterprise Linux Server 4 x86_64
• Red Hat Enterprise Linux Server 4 ia64
• Red Hat Enterprise Linux Server 4 i386
• Red Hat Enterprise Linux Workstation 4 x86_64
• Red Hat Enterprise Linux Workstation 4 ia64
• Red Hat Enterprise Linux Workstation 4 i386
• Red Hat Enterprise Linux Desktop 4 x86_64
• Red Hat Enterprise Linux Desktop 4 i386
• Red Hat Enterprise Linux for IBM z Systems 4 s390x
• Red Hat Enterprise Linux for IBM z Systems 4 s390
• Red Hat Enterprise Linux for Power, big endian 4 ppc

Fixes

• BZ - 200036 - Canceling subscription confirmation crashes mailman
• BZ - 205651 - CVE-2006-4624 mailman logfile CRLF injection
• BZ - 223191 - Spam filters gets deleted when sender filter is edited
• BZ - 230939 - mailman-2.1.5.1-34.rhel4.5 is missing migrate-fhs script
• BZ - 242677 - Wrong init script

CVEs

• CVE-2006-4624

References

• http://www.redhat.com/security/updates/classification/#low