#VU15352 Input validation error in ImageMagick - CVE-2018-16644

Vulnerability identifier: #VU15352

Vulnerability risk: Low

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:Clear]

CVE-ID: CVE-2018-16644

CWE-ID: CWE-20

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 insufficient check for length in ReadDCMImage() function in coders/dcm.c and in ReadPICTImage() function in coders/pict.c. A remote attacker can pass a specially crafted image to the affected application and trigger application crash.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.8-11

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External links
https://github.com/ImageMagick/ImageMagick/commit/16916c8979c32765c542e216b31cee2671b7afe7
https://github.com/ImageMagick/ImageMagick/commit/afa878a689870c28b6994ecf3bb8dbfb2b76d135
https://github.com/ImageMagick/ImageMagick/issues/1269
https://lists.debian.org/debian-lts-announce/2018/10/msg00002.html
https://usn.ubuntu.com/3785-1/

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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.