Vulnerability identifier: #VU18361

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11473

CWE-ID: CWE-125

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 attack.

The vulnerability exists due to a boundary condition within the ReadXWDImage() function in coders/xwd.c in XWD reader. A remote attacker can create a specially crafted XWD image file, pass it to the affected application, trigger out-of-bounds read error and crash the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.3.31

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External links
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/5402c5cbd8bd
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/944dcbc457f8
http://www.graphicsmagick.org/NEWS.html#june-15-2019
http://www.graphicsmagick.org/Changelog.html
http://www.securityfocus.com/bid/108055

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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.