Summaryinfo

A vulnerability classified as critical was found in ImageMagick 7.0.8-13. Affected by this vulnerability is the function EncodeImage of the file coders/pict.c of the component SVG Image File Handler. The manipulation leads to out-of-bounds. This vulnerability is known as CVE-2018-18025. The attack can be launched remotely. There is no exploit available. It is recommended to upgrade the affected component. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability classified as critical has been found in ImageMagick 7.0.8-13 (Image Processing Software). Affected is the function EncodeImage of the file coders/pict.c of the component SVG Image File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In ImageMagick 7.0.8-13 Q16, there is a heap-based buffer over-read in the EncodeImage function of coders/pict.c, which allows attackers to cause a denial of service via a crafted SVG image file.

The bug was discovered 10/05/2018. The weakness was released 10/07/2018 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-18025 since 10/07/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 118889 (Debian DLA-1574-1 : imagemagick security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176836 (Debian Security Update for imagemagick (DLA 1574-1)).

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 (118889). Entries connected to this vulnerability are available at VDB-124955 and VDB-124954. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Image Processing Software

Name

• ImageMagick

Version

• 7.0.8-13

License

• open-source

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