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Insecure Library Loading
Highly critical

Typo3 Multiple Vulnerabilities

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Release Date:  2009-01-21    Last Update:  2009-01-27    Views:  7,324

Secunia Advisory SA33617

Where:

From remote

Impact:

Hijacking, Security Bypass, Cross Site Scripting, System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Some vulnerabilities have been reported in Typo3, which can be exploited by malicious people to bypass certain security restrictions, conduct cross-site scripting and session fixation attacks, and compromise a vulnerable system.

1) The "Install tool" system extension uses insufficiently random entropy sources to generate an encryption key, resulting in weak security.

2) The authentication library does not properly invalidate supplied session tokens, which can be exploited to hijack a user's session.

3) Certain unspecified input passed to the "Indexed Search Engine" system extension is not properly sanitised before being used to invoke commands. This can be exploited to inject and execute arbitrary shell commands.

4) Input passed via the name and content of files to the "Indexed Search Engine" system extension 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.

5) Certain unspecified input passed to the Workspace module 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.

Note: It is also reported that certain unspecified input passed to test scripts of the "ADOdb" system extension 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 website.


Solution:
Update to Typo3 version 4.0.10, 4.1.8, or 4.2.4.

Further details available to Secunia VIM customers

Provided and/or discovered by:
The vendor credits:
1) Chris John Riley of Raiffeisen Informatik, CERT Security Competence Center Zwettl
2) Marcus Krause
3, 4) Mads Olesen
5) Daniel Fabian, SEC Consult

Original Advisory:
TYPO3-SA-2009-001:
http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-001/

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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