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TITLE:
Typo3 Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA37122

VERIFY ADVISORY:
http://secunia.com/advisories/37122/

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.

The vulnerabilities are also fixed in version 4.3beta2.

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/

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About:
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Definitions: (Criticality, Where etc.)
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