Vulnerability identifier: #VU30955

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-14492

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenCV
Universal components / Libraries / Libraries used by multiple products

Vendor: Itseez

Description

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

An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1. There is an out of bounds read/write in the function HaarEvaluator::OptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OpenCV: 4.0.0 - 4.1.0

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External links
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00025.html
http://github.com/opencv/opencv/compare/33b765d...4a7ca5a
http://github.com/opencv/opencv/compare/371bba8...ddbd10c
http://github.com/opencv/opencv/issues/15124

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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.