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Insecure Library Loading
Moderately critical

PHP "_ecalloc" Integer Overflow Vulnerability

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Release Date:  2006-10-05    Views:  18,410

Secunia Advisory SA22280

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Workaround

Software:

CVE Reference(s):

Description


A vulnerability has been reported in PHP, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.

The vulnerability is caused due to an integer overflow within the "_ecalloc" function. This can potentially be exploited to execute arbitrary code via specially crafted requests if a PHP script allocates memory based on attacker supplied data.


Solution:
The vulnerability has been fixed in the CVS repository:

Further details available to Secunia VIM customers

Provided and/or discovered by:
Disclosed via vendor CVS commit.

Original Advisory:
http://cvs.php.net/viewvc.cgi/ZendEngine2/zend_alloc.c?r1=1.161&r2=1.162

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: PHP "_ecalloc" Integer Overflow Vulnerability

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