CVE-2021-35545
VirtualBox vulnerability analysis and mitigation

Overview

CVE-2021-35545 is a vulnerability in Oracle VM VirtualBox's Core component affecting versions prior to 6.1.28. This vulnerability was disclosed in Oracle's October 2021 Critical Patch Update (Oracle Advisory). The vulnerability allows high-privileged attackers with logon access to the infrastructure where Oracle VM VirtualBox executes to compromise the system (NVD).

Technical details

The vulnerability has a CVSS 3.1 Base Score of 6.7 (Medium severity) with Confidentiality and Availability impacts. The CVSS Vector is (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:H), indicating Local access vector, Low attack complexity, High privileges required, No user interaction needed, and Changed scope (NVD).

Impact

Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox and unauthorized read access to a subset of Oracle VM VirtualBox accessible data (Oracle Advisory).

Mitigation and workarounds

Oracle has released security patches to address this vulnerability in VirtualBox version 6.1.28 and later. Users are strongly recommended to upgrade to a patched version (Gentoo Advisory).

Additional resources


SourceThis report was generated using AI

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