#VU79869 Memory leak in ImageMagick - CVE-2023-39978

Vulnerability identifier: #VU79869

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-39978

CWE-ID: CWE-401

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 DoS attack on the target system.

The vulnerability exists due memory leak in Magick::Draw. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ImageMagick: before 6.9.12-91, 6.9.12-91

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External links
https://github.com/rmagick/rmagick/pull/1406/files
https://github.com/ImageMagick/ImageMagick6/commit/c90e79b3b22fec309cab55af2ee606f71b027b12
https://github.com/ImageMagick/ImageMagick6/compare/6.9.12-90...6.9.12-91

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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.