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Vulnerability DatabaseCVE-2021-2291
CVE-2021-2291:
VirtualBox vulnerability analysis and mitigation
Overview
CVE-2021-2291 is a vulnerability in Oracle VM VirtualBox's VGA component affecting versions prior to 6.1.20. The vulnerability was discovered by JungHyun Kim (@jidoc01) of VirtualBoBs and disclosed on April 22, 2021 (ZDI Advisory, Oracle Advisory).
Technical details
The vulnerability exists within the VGA component of VirtualBox and results from the lack of proper validation of user-supplied data, which can lead to an out-of-bounds read condition. The vulnerability has a CVSS 3.1 Base Score of 4.7 (MEDIUM) with the vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N (ZDI Advisory).
Impact
A successful exploitation of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. The vulnerability only affects confidentiality, with no impact on integrity or availability (NVD).
Mitigation and workarounds
Oracle has released version 6.1.20 of VirtualBox to address this vulnerability. Users are advised to upgrade to this version or later to mitigate the risk (Oracle Advisory).
Additional resources
Source: This report was generated using AI
Related VirtualBox vulnerabilities:
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