#VU26484 Integer overflow in GraphicsMagick - CVE-2020-10938

Vulnerability identifier: #VU26484

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-10938

CWE-ID: CWE-190

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 integer overflow within the HuffmanDecodeImage in "magick/compress.c" file. A remote attacker can trigger integer overflow and execute arbitrary code on the target system, leading to heap-based buffer overflow.

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.3.8 - 1.3.34

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External links
https://lists.opensuse.org/opensuse-security-announce/2020-03/msg00049.html
https://sourceforge.net/p/graphicsmagick/code/ci/5b4dd7c6674140a115ec9424c8d19c6a458fac3e/

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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.