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Insecure Library Loading
Moderately critical

Typo3 Multiple Vulnerabilities

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Release Date:  2009-10-23    Views:  5,151

Secunia Advisory SA37122

Where:

From remote

Impact:

Security Bypass, Cross Site Scripting, Manipulation of data, System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

No CVE references.

Description


Some vulnerabilities have been reported in TYPO3, which can be exploited by malicious people to conduct cross-site scripting or script insertion attacks, and by malicious users to bypass certain security restrictions, conduct script insertion attacks, manipulate certain data, conduct SQL injection attacks, or compromise a vulnerable system.

1) An error when handling the "tt_content" form element can be exploited to extract an encryption key and bypass certain protected TYPO3 mechanisms.

2) Certain unspecified input passed to the TYPO3 backend is not properly sanitised before being stored. This can be exploited to insert arbitrary HTML and script code, which is executed in a user's browser session in context of an affected site when the malicious data is viewed.

3) An error when handling certain URL parameters can be exploited to open arbitrary websites inside TYPO3 backend framesets.

4) An input sanitation error when handling uploaded files can be exploited by an editor to execute arbitrary shell commands.

NOTE: This vulnerability requires that a third party extension is used for upload (e.g. DAM).

5) Certain unspecified input passed to the traditional frontend editing feature is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Successful exploitation of the vulnerabilities requires a valid backend login.

6) Input passed to the "t3lib_div::quoteJSvalue()" API function is not properly sanitised before being used. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

7) Certain unspecified input passed to the Frontend Login Box (felogin) is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

This vulnerability was first fixed in version 4.2.7.

NOTE: Two additional security bypass and cross-site scripting vulnerabilities have been fixed in the Install Tool, which is not recommended for use in production environments.


Solution:
Update to the version 4.1.13 or 4.2.10.

Further details available to Secunia VIM customers

Provided and/or discovered by:
The vendor credits:
1) Stefan Schuler
2) Stefan Esser, Marcus Krause, and Jelmer de Hen
3) Jelmer de Hen
4) Marcus Krause and Christian Welzel
5) Christian Weiske
6) Andreas Schnapp and Sebastian Spooren
7) Chirs John Riley and Stefan Lang

Original Advisory:
http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-016/

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Typo3 Multiple Vulnerabilities

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