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CESA-2005:595: squirrelmail security update

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CESA-2005:595: squirrelmail security update



An updated squirrelmail package that fixes two security issues is now available. This update has been rated as having moderate security impact by the Red Hat Security Response Team. [Updated 04 Aug 2005] The previous SquirrelMail package released with this errata contained a bug which rendered the addressbook unusable. The erratum has been updated with a package which corrects this issue.

SquirrelMail is a standards-based webmail package written in PHP4. A bug was found in the way SquirrelMail handled the $_POST variable. If a user is tricked into visiting a malicious URL, the user's SquirrelMail preferences could be read or modified. The Common Vulnerabilities and Exposures project assigned the name CAN-2005-2095 to this issue. Several cross-site scripting bugs were discovered in SquirrelMail. An attacker could inject arbitrary Javascript or HTML content into SquirrelMail pages by tricking a user into visiting a carefully crafted URL, or by sending them a carefully constructed HTML email message. The Common Vulnerabilities and Exposures project assigned the name CAN-2005-1769 to this issue. All users of SquirrelMail should upgrade to this updated package, which contains backported patches that resolve these issues.


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