#VU71256 Improper input validation in Oracle VM VirtualBox - CVE-2023-21898

Vulnerability identifier: #VU71256

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-21898

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Oracle VM VirtualBox
Server applications / Virtualization software

Vendor: Oracle

Description

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Oracle VM VirtualBox: 6.1.0 - 6.1.40, 7.0.0 - 7.0.4

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External links
https://www.oracle.com/security-alerts/cpujan2023.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.