#VU11814 Heap-based buffer overflow in GraphicsMagick - CVE-2017-16352

Vulnerability identifier: #VU11814

Vulnerability risk: High

CVSSv4.0: 7.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2017-16352

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
GraphicsMagick
Universal components / Libraries / Libraries used by multiple products

Vendor: GraphicsMagick Group

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

The weakness exists in the "Display visual image directory" feature of the DescribeImage() function of the magick/describe.c file due to heap-based buffer overflow. A remote attacker can trick the victim into opening a specially crafted MIFF format file with the verbose flag, trigger memory corruption and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Install update from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.3.26

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External links
https://hg.graphicsmagick.org/hg/GraphicsMagick?cmd=changeset;node=7292230dd185

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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. However, proof of concept for this vulnerability is available.