CVE-2020-2742: Oracle VirtualBox xHCI Integer Overflow Privilege Escalation Vulnerability
First published: Wed Apr 15 2020(Updated: )
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.
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle VirtualBox | ||
| Oracle VM VirtualBox | <5.2.36 | |
| Oracle VM VirtualBox | >=6.0.0<6.0.16 | |
| Oracle VM VirtualBox | >=6.1.0<6.1.2 | |
| openSUSE | =15.1 |
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Reference Links
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.
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