Vulnerability identifier: #VU34942

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-19953

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 a denial of service (DoS) attack.

The vulnerability exists due to heap-based buffer over-read in the function EncodeImage of coders/pict.c. A remote attacker can perform a denial of service attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.4

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External links
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/28f8bacd4bbf
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00064.html
http://lists.debian.org/debian-lts-announce/2020/01/msg00029.html
http://sourceforge.net/p/graphicsmagick/bugs/617/
http://www.debian.org/security/2020/dsa-4640

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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.