CVE Vulnerabilities

CVE-2020-14677

Time-of-check Time-of-use (TOCTOU) Race Condition

Published: Jul 15, 2020 | Modified: Feb 19, 2021
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 2.x
4.4 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 5.2.44, prior to 6.0.24 and prior to 6.1.12. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H).

Weakness

The product checks the state of a resource before using that resource, but the resource’s state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.

Affected Software

Name Vendor Start Version End Version
Vm_virtualbox Oracle * 5.2.44 (excluding)
Vm_virtualbox Oracle 6.0.0 (including) 6.0.24 (excluding)
Vm_virtualbox Oracle 6.1.0 (including) 6.1.12 (excluding)
Virtualbox Ubuntu bionic *
Virtualbox Ubuntu eoan *
Virtualbox Ubuntu focal *
Virtualbox Ubuntu groovy *
Virtualbox Ubuntu trusty *
Virtualbox Ubuntu upstream *
Virtualbox Ubuntu xenial *

Potential Mitigations

References