Denial of service in ImageMagick

1) Memory leak

EUVDB-ID: #VU15461

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-18544

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to memory leak in the WriteMSLImage function, as defined in the coders/msl.c source code file. A remote attacker can trick the victim into accessing a file that submits malicious input, trigger memory leak and cause the service to crash.

Mitigation

Update to version 7.0.8-14.

Vulnerable software versions

ImageMagick: 7.0.8-13

External links

http://github.com/ImageMagick/ImageMagick/issues/1360

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. However, proof of concept for this vulnerability is available.