Vulnerability identifier: #VU21079

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-13307

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ImageMagick
Client/Desktop applications / Multimedia software

Vendor: ImageMagick.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the EvaluateImages in the "MagickCore/statistic.c" file because of mishandling rows. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.8-50 Q16

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External links
http://github.com/ImageMagick/ImageMagick/commit/025e77fcb2f45b21689931ba3bf74eac153afa48
http://github.com/ImageMagick/ImageMagick/issues/1615
http://github.com/ImageMagick/ImageMagick6/commit/91e58d967a92250439ede038ccfb0913a81e59fe

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.