#VU57561 Use-after-free in Versiondog - CVE-2021-38467

Vulnerability identifier: #VU57561

Vulnerability risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-38467

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Versiondog
Other software / Other software solutions

Vendor: AUVESY

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error. A remote attacker can control what memory regions will be freed and cause use-after-free condition.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Versiondog: 5.0.0 - 7.5.0

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External links
https://ics-cert.us-cert.gov/advisories/icsa-21-292-01

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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.