CVE-2020-2911: Oracle VirtualBox vmsvga3dSetLightData Out-Of-Bounds Write 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 vmsvga3dSetLightData function. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated 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 VM VirtualBox | <5.2.40 | |
| Oracle VM VirtualBox | >=6.0.0<6.0.20 | |
| Oracle VM VirtualBox | >=6.1.0<6.1.6 | |
| openSUSE Leap | =15.1 | |
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Reference Links
Frequently Asked Questions
What is Oracle VirtualBox vmsvga3dSetLightData Out-Of-Bounds Write Privilege Escalation Vulnerability (CVE-2020-2911)?
Oracle VirtualBox vmsvga3dSetLightData Out-Of-Bounds Write Privilege Escalation Vulnerability (CVE-2020-2911) is a vulnerability in the Oracle VM VirtualBox product that allows a high privileged attacker to escalate privileges through an out-of-bounds write.
What is the severity of CVE-2020-2911?
The severity of CVE-2020-2911 is high with a CVSS score of 7.5.
Which versions of Oracle VirtualBox are affected by CVE-2020-2911?
Versions prior to 5.2.40, prior to 6.0.20, and prior to 6.1.6 of Oracle VirtualBox are affected by CVE-2020-2911.
How can an attacker exploit CVE-2020-2911?
It is difficult to exploit CVE-2020-2911, but an attacker with logon access to the infrastructure where Oracle VM VirtualBox is installed can escalate privileges through an out-of-bounds write.
Are there any references available for CVE-2020-2911?
Yes, you can find references to CVE-2020-2911 at the following links: [1](https://www.oracle.com/security-alerts/cpujan2020.html), [2](https://www.zerodayinitiative.com/advisories/ZDI-20-551/), [3](http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00001.html).
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