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Category:   Application (Generic)  >   Libmcrypt Vendors:   Mavroyanopoulos, Nikos
MCrypt Stack Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1027532
SecurityTracker URL:  http://securitytracker.com/id/1027532
CVE Reference:   CVE-2012-4409   (Links to External Site)
Date:  Sep 14 2012
Impact:   Execution of arbitrary code via network, User access via network
Exploit Included:  Yes  
Version(s): 2.6.8 and prior versions
Description:   A vulnerability was reported in MCrypt. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted file that, when loaded by the target user via the command line utility, will trigger a stack overflow in check_file_head() and execute arbitrary code on the target user's system. The code will run with the privileges of the target user.

The MCrypt command line utility is affected. libmcrypt is not affected.

The original advisory and demonstration exploit code is available at:

http://packetstormsecurity.org/files/116268/mcrypt-2.6.8-Buffer-Overflow-Proof-Of-Concept.html

_ishikawa reported this vulnerability.

Impact:   A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   No solution was available at the time of this entry.
Vendor URL:  mcrypt.sourceforge.net/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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