CVE-2020-2742: Oracle VirtualBox xHCI Integer Overflow Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of Oracle VirtualBox. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the xHCI component. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor.
Other sources
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 5.2.36, prior to 6.0.16 and prior to 6.1.2. Easily exploitable 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 3.0 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this Oracle VirtualBox vulnerability?
The vulnerability ID for this Oracle VirtualBox vulnerability is CVE-2020-2742.
What is the title of this Oracle VirtualBox vulnerability?
The title of this Oracle VirtualBox vulnerability is 'Oracle VirtualBox xHCI Integer Overflow Privilege Escalation Vulnerability'.
Which versions of Oracle VirtualBox are affected by this vulnerability?
The versions of Oracle VirtualBox prior to 5.2.36, prior to 6.0.16, and prior to 6.1.2 are affected by this vulnerability.
What is the severity level of this Oracle VirtualBox vulnerability?
The severity level of this Oracle VirtualBox vulnerability is high with a severity value of 8.2.
Is this Oracle VirtualBox vulnerability easily exploitable?
Yes, this Oracle VirtualBox vulnerability is easily exploitable.