#VU35780 NULL pointer dereference in ImageMagick - CVE-2019-12974

Vulnerability identifier: #VU35780

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-12974

CWE-ID: CWE-476

Exploitation vector: Local

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 NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a crafted image.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.8-34

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External links
https://lists.opensuse.org/opensuse-security-announce/2019-08/msg00069.html
https://www.securityfocus.com/bid/108913
https://github.com/ImageMagick/ImageMagick/issues/1515
https://lists.debian.org/debian-lts-announce/2019/08/msg00021.html
https://usn.ubuntu.com/4192-1/
https://www.debian.org/security/2020/dsa-4712

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.