#VU18362 Incorrect calculation in GraphicsMagick - CVE-2019-11474

Vulnerability identifier: #VU18362

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-11474

CWE-ID: CWE-682

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 perform denial of service (DoS) attack.

The vulnerability exists due to incorrect calculation within the ReadXWDImage() function in coders/xwd.c in XWD reader. A remote attacker can create a specially crafted XWD file, pass it to the application, trigger a floating-point exception and crash the affected application.

Mitigation
Install update from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.3.31

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External links
https://hg.graphicsmagick.org/hg/GraphicsMagick/rev/5402c5cbd8bd
https://hg.graphicsmagick.org/hg/GraphicsMagick/rev/944dcbc457f8
https://www.graphicsmagick.org/Changelog.html
https://www.securityfocus.com/bid/108055
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.