--------------------------------------------------------------------- Red Hat Security Advisory
Synopsis: Updated Squirrelmail package fixes security issues Advisory ID: RHSA-2005:135-01 Advisory URL: https://rhn.redhat.com/errata/RHSA-2005-135.html Issue date: 2005-02-10 Updated on: 2005-02-10 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 3.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS version 3 - noarch Red Hat Desktop version 3 - noarch Red Hat Enterprise Linux ES version 3 - noarch Red Hat Enterprise Linux WS version 3 - 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: