#VU26485 Path traversal in GraphicsMagick - CVE-2019-12921

Vulnerability identifier: #VU26485

Vulnerability risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2019-12921

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
GraphicsMagick
Universal components / Libraries / Libraries used by multiple products

Vendor: GraphicsMagick Group

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within TranslateTextEx component for processing SVG images in GraphicsMagick. A remote attacker can create a specially crafted SVG file and read contents of arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.3.8 - 1.3.31

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External links
https://www.graphicsmagick.org/
https://github.com/d0ge/data-processing/blob/master/CVE-2019-12921.md
https://lists.debian.org/debian-lts-announce/2020/03/msg00026.html

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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. However, proof of concept for this vulnerability is available.