Vulnerability identifier: #VU10403

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-6799

CWE-ID: CWE-119

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 cause DoS condition on the target system.

The weakness exists in the AcquireCacheNexus function in the magick/pixel_cache.c source code due to heap overwrite. A remote attacker can submit a specially crafted image file, trigger memory corruption and cause the service to crash.

Mitigation
Update to versions 1.3.28.

Vulnerable software versions

GraphicsMagick: 1.3.8 - 1.3.27

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External links
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/b41e2efce6d3

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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.