ImageMagick 7.0.7-37 Q16 quantize.c memory corruption

Summaryinfo

A vulnerability was found in ImageMagick 7.0.7-37 Q16. It has been classified as critical. This vulnerability affects unknown code of the file quantize.c. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2018-11625. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in ImageMagick 7.0.7-37 Q16 (Image Processing Software). It has been classified as critical. This affects an unknown code block of the file quantize.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In ImageMagick 7.0.7-37 Q16, SetGrayscaleImage in the quantize.c file allows attackers to cause a heap-based buffer over-read via a crafted file.

The bug was discovered 05/30/2018. The weakness was presented 05/31/2018 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-11625 since 05/31/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111430 (openSUSE Security Update : ImageMagick (openSUSE-2018-778)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE 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 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111430). See VDB-118472 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Image Processing Software

Name

• ImageMagick

Version

• 7.0.7-37 Q16

License

• open-source

Website

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

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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