--------------------------------------------------------------------- Red Hat Security Advisory
Synopsis: Moderate: squirrelmail security update Advisory ID: RHSA-2005:099-01 Advisory URL: https://rhn.redhat.com/errata/RHSA-2005-099.html Issue date: 2005-02-15 Updated on: 2005-02-15 Product: Red Hat Enterprise Linux CVE Names: CAN-2005-0075 CAN-2005-0103 CAN-2005-0104 ---------------------------------------------------------------------
1. Summary:
An updated Squirrelmail package that fixes several security issues is now available for Red Hat Enterprise Linux 4.
This update has been rated as having moderate security impact by the Red Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS version 4 - noarch Red Hat Enterprise Linux Desktop version 4 - noarch Red Hat Enterprise Linux ES version 4 - noarch Red Hat Enterprise Linux WS version 4 - noarch
3. Problem description:
SquirrelMail is a standards-based webmail package written in PHP4.
Jimmy Conner discovered a missing variable initialization in Squirrelmail. This flaw could allow potential insecure file inclusions on servers where the PHP setting "register_globals" is set to "On". This is not a default or recommended setting. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2005-0075 to this issue.
A URL sanitisation bug was found in Squirrelmail. This flaw could allow a cross site scripting attack when loading the URL for the sidebar. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2005-0103 to this issue.
A missing variable initialization bug was found in Squirrelmail. This flaw could allow a cross site scripting attack. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2005-0104 to this issue.
Users of Squirrelmail are advised to upgrade to this updated package, which contains backported patches to correct these issues.
4. Solution:
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command:
up2date
For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: