An updated Squirrelmail package that fixes several security issues is now available for CentOS Linux 3.
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.
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