ImageMagick 7.0.7-20 Q16 coders/dcm.c ReadDCMImage Image File resource management

Summaryinfo

A vulnerability marked as problematic has been reported in ImageMagick 7.0.7-20 Q16. The affected element is the function ReadDCMImage of the file coders/dcm.c. The manipulation as part of Image File leads to resource management. This vulnerability is traded as CVE-2018-11656. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in ImageMagick 7.0.7-20 Q16 (Image Processing Software). It has been rated as problematic. This issue affects the function ReadDCMImage of the file coders/dcm.c. The manipulation as part of a Image File leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function ReadDCMImage in coders/dcm.c, which allows attackers to cause a denial of service via a crafted DCM image file.

The bug was discovered 01/04/2018. The weakness was shared 06/01/2018 (GitHub Repository). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-11656 since 06/01/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 148 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110516 (Ubuntu 14.04 LTS / 16.04 LTS / 17.10 / 18.04 LTS : imagemagick vulnerabilities (USN-3681-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197169 (Ubuntu Security Notification for Imagemagick Vulnerabilities (USN-3681-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (110516). The entries VDB-106943, VDB-106944, VDB-106945 and VDB-107000 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Image Processing Software

Name

• ImageMagick

Version

• 7.0.7-20 Q16

License

• open-source

Website

• Product: https://www.imagemagick.org/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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