#VU18152 Out-of-bounds read in ImageMagick - CVE-2019-10714

Vulnerability identifier: #VU18152

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-10714

CWE-ID: CWE-125

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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when processing images within the LocaleLowercase() function in MagickCore/locale.c. A remote attacker can create a specially crafted image, pass it to the affected application, trigger out-of-bounds read error and perform denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.8-0 - 7.0.8-31

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External links
https://github.com/ImageMagick/ImageMagick/commit/58d9c46929ca0828edde34d263700c3a5fe8dc3c
https://github.com/ImageMagick/ImageMagick/commit/edc7d3035883ddca8413e4fe7689aa2e579ef04a
https://github.com/ImageMagick/ImageMagick/commit/07eebcd72f45c8fd7563d3f9ec5d2bed48f65f36
https://github.com/ImageMagick/ImageMagick/releases/tag/7.0.8-32

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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.