ImageMagick 7.0.6-2 coders/msl.c WriteMSLImage memory corruption

Summaryinfo

A vulnerability was found in ImageMagick 7.0.6-2. It has been declared as problematic. The affected element is the function WriteMSLImage of the file coders/msl.c. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2017-14139. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in ImageMagick 7.0.6-2 (Image Processing Software). Affected by this issue is the function WriteMSLImage of the file coders/msl.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

ImageMagick 7.0.6-2 has a memory leak vulnerability in WriteMSLImage in coders/msl.c.

The bug was discovered 07/17/2017. The weakness was disclosed 09/04/2017 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2017-14139 since 09/04/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 49 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104283 (EulerOS 2.0 SP2 : ImageMagick (EulerOS-SA-2017-1258)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Huawei Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170918 (OpenSUSE Security Update for ImageMagick (openSUSE-SU-2018:0621-1)).

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

The vulnerability is also documented in the vulnerability database at Tenable (104283). The entries VDB-106111 and VDB-106110 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Image Processing Software

Name

• ImageMagick

Version

• 7.0.6-2

License

• open-source

Website

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

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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