Use-after-free in ImageMagick ImageMagick

1) Use-after-free

EUVDB-ID: #VU30500

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-19952

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In ImageMagick 7.0.9-7 Q16, there is a use-after-free in the function MngInfoDiscardObject of coders/png.c, related to ReadOneMNGImage.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.8-61 - 7.0.9-6

CPE2.3

• cpe:2.3:a:imagemagick_org:imagemagick:7.0.8-61:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.8-62:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.8-63:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.8-64:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.8-65:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.8-66:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.8-67:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.8-68:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.9-0:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.9-1:*:*:*:*:*:*:*

External links

https://github.com/ImageMagick/ImageMagick/issues/1791

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.