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Secunia Network Software Inspector 2.0 (NSI) - Public Beta

15 days left of beta period.

The 1st generation of the Secunia Network Software Inspector (NSI)
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The 2nd generation Secunia NSI is built on the same technology as the
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TITLE:
DotClear "ecrire/images.php" File Upload Vulnerability

SECUNIA ADVISORY ID:
SA29819

VERIFY ADVISORY:
http://secunia.com/advisories/29819/

CRITICAL:
Less critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
DotClear 1.x
http://secunia.com/product/6261/

DESCRIPTION:
Morgan ARMAND has discovered a vulnerability in DotClear, which can
be exploited by malicious users to compromise a vulnerable system.

The ecrire/images.php script fails to validate the extension of an
uploaded file. This can be exploited to upload files with the ".php"
extension and execute arbitrary PHP code on the server, by creating a
file that is both a syntactically correct PHP script and an image that
the PHP function getimagesize() considers correct.

Successful exploitation requires valid advanced editor or
administrator credentials, and having set write permissions on the
"images/" directory.

The vulnerability is confirmed in version 1.2.7.1. Other versions may
also be affected.

SOLUTION:
Only grant advanced editor or administrator access to trusted users.

Remove write permissions from the "images/" directory.

PROVIDED AND/OR DISCOVERED BY:
Morgan ARMAND

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
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