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