#VU18360 Heap-based buffer overflow in GraphicsMagick - CVE-2019-11506

Vulnerability identifier: #VU18360

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-11506

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

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 vulnerability exists due to a boundary error in MAT writer within the function WriteMATLABImage of coders/mat.c, related to ExportRedQuantumType in magick/export.c. A remote attacker can create a crafted image file, pass it to the affected application, 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
Update to version 1.4 snapshot-20190403 Q8.

Vulnerable software versions

GraphicsMagick: 1.3.30 - 1.3.31

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External links
https://hg.graphicsmagick.org/hg/GraphicsMagick/rev/57ac0ae85e2a
https://sourceforge.net/p/graphicsmagick/bugs/604/
https://www.graphicsmagick.org/NEWS.html#june-15-2019

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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.