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Category:   Application (Generic)  >   ImageMagick Vendors:   ImageMagick.org
ImageMagick Buffer Overflow in Get8BIMProperty() Lets Remote Users Obtain Potentially Sensitive Information and Deny Service
SecurityTracker Alert ID:  1036501
SecurityTracker URL:  http://securitytracker.com/id/1036501
CVE Reference:   CVE-2016-6491   (Links to External Site)
Date:  Aug 2 2016
Impact:   Denial of service via network, Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in ImageMagick. A remote user can cause the target service to crash. A remote user can obtain potentially sensitive information on the target system.

A remote user can create a specially crafted image file that, when processed by the target application, will trigger an out-of-bounds memory read error and disclose potentially sensitive information or cause the target application to crash.

The vulnerability resides in the Get8BIMProperty() function in 'MagickCore/property.c'.

Ibrahim el-sayed reported this vulnerability.

Impact:   A remote user can cause the target service to crash.

A remote user can obtain potentially sensitive information on the target system.

Solution:   The vendor has issued a source code fix, available at:

https://github.com/ImageMagick/ImageMagick/commit/dd84447b63a71fa8c3f47071b09454efc667767b

Vendor URL:  www.imagemagick.org/ (Links to External Site)
Cause:   Access control error, Boundary error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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