#VU78944 Heap-based buffer overflow in ImageMagick - CVE-2023-3745

Vulnerability identifier: #VU78944

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-2023-3745

CWE-ID: CWE-122

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 exists due to a boundary error within the PushCharPixel() function in quantum-private.h. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageMagick: before 6.9.11-0, 7.0.10-0, 6.9.11-0, 6.9.11-0

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External links
https://github.com/ImageMagick/ImageMagick6/commit/b466a96965afc1308a4ace93f5535c2b770f294b
https://github.com/ImageMagick/ImageMagick/commit/54cdc146bbe50018526770be201b56643ad58ba7
https://github.com/ImageMagick/ImageMagick/commit/651672f19c75161a6159d9b6838fd3095b6c5304
https://bugzilla.redhat.com/show_bug.cgi?id=2223557
https://github.com/ImageMagick/ImageMagick/issues/1857
https://github.com/ImageMagick/ImageMagick6/commit/7486477aa00c5c7856b111506da075b6cdfa8b73
https://access.redhat.com/security/cve/CVE-2023-3745

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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.