#VU21095 Input validation error in ImageMagick - CVE-2019-13135

Vulnerability identifier: #VU21095

Vulnerability 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-2019-13135

CWE-ID: CWE-20

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 execute arbitrary code on the target system.

The vulnerability exists due to use of uninitialized value in the "ReadCUTImage" function in the "coders/cut.c" file. A remote attacker can execute arbitrary command on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.0-0, 7.0.1-0 - 7.0.1-10, 7.0.2-0 - 7.0.2-10, 7.0.3-0 - 7.0.3-10, 7.0.4-0 - 7.0.4-10, 7.0.5-0 - 7.0.5-10, 7.0.6-0 - 7.0.6-10, 7.0.7-0 Q16 - 7.0.7-39, 7.0.8-0 - 7.0.8-49

---

External links
https://github.com/ImageMagick/ImageMagick/commit/cdb383749ef7b68a38891440af8cc23e0115306d
https://github.com/ImageMagick/ImageMagick/issues/1599
https://github.com/ImageMagick/ImageMagick6/commit/1e59b29e520d2beab73e8c78aacd5f1c0d76196d

---

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.