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             AUSCERT External Security Bulletin Redistribution

       TYPO3-CORE-SA-2013-002: Cross-Site Scripting and Remote Code
                  Execution Vulnerabilities in TYPO3 Core
                               1 August 2013


        AusCERT Security Bulletin Summary

Product:           TYPO3
Publisher:         TYPO3
Operating System:  UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account            
                   Cross-site Scripting            -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-1464 CVE-2011-3642 

Original Bulletin: 

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TYPO3-CORE-SA-2013-002: Cross-Site Scripting and Remote Code Execution 
Vulnerability in TYPO3 Core

July 30, 2013

Category: TYPO3 Core
Author: Georg Ringer
Keywords: Cross-Site Scripting, Remote Code Execution

It has been discovered that TYPO3 Core is vulnerable to Cross-Site Scripting 
and Remote Code Execution

Component Type: TYPO3 Core

Vulnerability Types: Cross-Site Scripting, Remote Code Execution

Overall Severity: Critical

Release Date: July 30, 2013
Vulnerable subcomponent: Third Party Libraries used for audio and video 

Vulnerability Type: Cross-Site Scripting

Affected Versions: All versions from 4.5.0 up to the development branch of 6.2

Severity: Medium

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

Related CVEs: CVE-2011-3642, CVE-2013-1464

Problem Description: TYPO3 bundles flash files for video and audio playback. 
Old versions of FlowPlayer and flashmedia are susceptible to Cross-Site 
Scripting. No authentication is required to exploit this vulnerability.

Solution: Update to the TYPO3 version 4.5.29, 4.7.14, 6.0.8 or 6.1.3 that fix 
the problem described!

Credits: Credits go to Markus Pieton and Vytautas Paulikas who discovered and 
reported the issues.
Vulnerable subcomponent: Backend File Upload / File Abstraction Layer

Vulnerability Type: Remote Code Execution by arbitrary file creation

Affected Versions: All versions from 6.0.0 up to the development branch of 6.2

Severity: Critical

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

CVE: Not yet assigned

Problem Description: The file upload component and the File Abstraction Layer 
are failing to check for denied file extensions, which allows authenticated 
editors (even with limited permissions) to upload php files with arbitrary code,
which can then be executed in web server's context.

Solution: Update to the TYPO3 version 6.0.8 or 6.1.3 that fix the problem 

Credits: Credits go to Sebastian Nerz who discovered and reported the issue. 

General Advice: Follow the recommendations that are given in the TYPO3 Security 
Guide. Please subscribe to the typo3-announce mailing list.

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