#VU13872 Out-of-bounds write in ImageMagick - CVE-2018-12599

Vulnerability identifier: #VU13872

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-12599

CWE-ID: CWE-787

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 execute arbitrary code on the target system.

The vulnerability exists in ReadBMPImage and WriteBMPImage in coders/bmp.c due to out-of-bounds write. A remote unauthenticated attacker can trick the victim into opening a specially crafted file and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.8-3

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External links
https://github.com/ImageMagick/ImageMagick/issues/1177

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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.