#VU62856 Input validation error in ImageMagick - CVE-2021-4219

Vulnerability identifier: #VU62856

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-4219

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ImageMagick
Client/Desktop applications / Multimedia software

Vendor: ImageMagick.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability occurs due to improper use of open functions. A remote attacker can submit a specially crafted SVG to the application and can cause a denial of service.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ImageMagick: 6.9.0-0 - 6.9.0-10, 6.9.1-0 - 6.9.12-34, 6.9.2-0 - 6.9.2-10, 6.9.3-0 - 6.9.3-10, 6.9.4-0 - 6.9.4-10, 6.9.5-0 - 6.9.5-10, 6.9.6-0 - 6.9.6-8, 6.9.7 - 6.9.7-10, 6.9.8-0 - 6.9.8-10, 6.9.9-0 - 6.9.9-51, 7.1.0-0 - 7.1.0-18

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=2054611
https://github.com/ImageMagick/ImageMagick/issues/4626

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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.