Vulnerability identifier: #VU23819

Vulnerability risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-20052

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
matio
Universal components / Libraries / Software for developers

Vendor: tbeu

Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in Mat_VarCalloc() function in mat.c, because SafeMulDims does not consider the rank==0 case. A remote attacker can perform denial of service attack.

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

Vulnerable software versions

matio: 1.5.17

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External links
http://github.com/tbeu/matio/issues/131

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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.