#VU38359 Out-of-bounds write in OpenCV and Debian Linux - CVE-2017-14136

Vulnerability identifier: #VU38359

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-14136

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenCV
Universal components / Libraries / Libraries used by multiple products
Debian Linux
Operating systems & Components / Operating system

Vendor: Itseez
Debian

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

OpenCV (Open Source Computer Vision Library) 3.3 has an out-of-bounds write error in the function FillColorRow1 in utils.cpp when reading an image file by using cv::imread. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-12597.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OpenCV: 3.3.0

Debian Linux: 3.3.0 - 8.0

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External links
https://github.com/opencv/opencv/issues/9443
https://github.com/opencv/opencv/pull/9448
https://github.com/xiaoqx/pocs/blob/master/opencv.md
https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html
https://security.gentoo.org/glsa/201712-02

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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.