#VU32023 Out-of-bounds read in ImageMagick - CVE-2019-11597

Vulnerability identifier: #VU32023

Vulnerability risk: High

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-11597

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 perform a denial of service (DoS) attack.

The vulnerability exists due to heap-based buffer over-read in the function WriteTIFFImage of coders/tiff.c, which allows an attacker to cause a denial of service or possibly information disclosure via a crafted image file. A remote attacker can perform a denial of service attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

ImageMagick: 5.5.0

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External links
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00043.html
http://www.securityfocus.com/bid/108102
http://github.com/ImageMagick/ImageMagick/issues/1555
http://lists.debian.org/debian-lts-announce/2019/05/msg00015.html
http://usn.ubuntu.com/4034-1/
http://www.debian.org/security/2020/dsa-4712

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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.