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             AUSCERT External Security Bulletin Redistribution

                 TYPO3 Security Bulletin TYPO3-SA-2011-001
                              28 January 2011


        AusCERT Security Bulletin Summary

Product:           TYPO3
Publisher:         TYPO3
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Cross-site Scripting -- Remote with User Interaction
Resolution:        Patch/Upgrade

Original Bulletin: 

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TYPO3 Security Bulletin TYPO3-SA-2011-001: Cross-Site Scripting vulnerability 
in extension "Media [DAM]" (dam)

Release Date: January 26, 2011

Component Type: Third party extension. This extension is not a part of the 
TYPO3 default installation.

Affected Versions: Version 1.1.7 and all versions below

Vulnerability Type: Cross-Site Scripting

Severity: Low

Suggested CVSS v2.0: AV:N/AC:L/Au:N/C:P/I:N/A:N/E:F/RL:OF/RC:C (What's that?)

Problem Description: DAM Backend module fails to escape the output before
performing file rename operations. Thus Cross-Site Scripting becomes possible. 
Exploitation requires an authenticated TYPO3 editor, who wants to rename the 
file with a specially created title.

Solution: An updated version 1.1.8 is available from the TYPO3 extension
manager and at http://typo3.org/extensions/repository/view/dam/1.1.8/. Users 
of the extension are advised to update the extension as soon as possible.

Credits: Credits go to Christian Mller who discovered and reported the issue.


General advice: Follow the recommendations that are given in the TYPO3 Security 
Cookbook. Please subscribe to the typo3-announce mailing list to receive future 
Security Bulletins via E-mail.

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