CVE-2021-2291: Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows local attackers to disclose sensitive information on affected installations of Oracle VirtualBox. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the VGA component. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the kernel.
Other sources
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 4.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N).
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID for the Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure Vulnerability?
The vulnerability ID for the Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure Vulnerability is CVE-2021-2291.
How does the Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure Vulnerability affect affected installations?
The Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure Vulnerability allows local attackers to disclose sensitive information on affected installations of Oracle VirtualBox.
What is the severity level of the Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure Vulnerability?
The severity level of the Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure Vulnerability is medium with a CVSS score of 5.5.
What is the affected software by the Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure Vulnerability?
The affected software by the Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure Vulnerability is Oracle VM VirtualBox up to and excluding version 6.1.20.
How can I fix the Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure Vulnerability?
To fix the Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure Vulnerability, update Oracle VirtualBox to a version beyond 6.1.20.