#VU71255 Error Handling in Oracle VM VirtualBox - CVE-2023-21886

Vulnerability identifier: #VU71255

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-21886

CWE-ID: CWE-388

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Oracle VM VirtualBox
Server applications / Virtualization software

Vendor: Oracle

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper error handling within the Teleporter service. A remote non-authenticated attacker can bypass authentication process and compromise the application.

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
https://www.zerodayinitiative.com/advisories/ZDI-23-119/

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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.