Use-after-free in ImageMagick ImageMagick

1) Use-after-free

EUVDB-ID: #VU30725

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-2019-17541

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

ImageMagick before 7.0.8-55 has a use-after-free in DestroyStringInfo in MagickCore/string.c because the error manager is mishandled in coders/jpeg.c.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.0-0 - 7.0.8-54

CPE2.3

• cpe:2.3:a:imagemagick_org:imagemagick:7.0.0-0:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.1-10:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.2-10:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.3-10:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.4-10:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.5-10:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.6-10:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.7-39:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.8-54:*:*:*:*:*:*:*

External links

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15827
https://github.com/ImageMagick/ImageMagick/commit/39f226a9c137f547e12afde972eeba7551124493
https://github.com/ImageMagick/ImageMagick/compare/7.0.8-54...7.0.8-55
https://github.com/ImageMagick/ImageMagick/issues/1641

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.