Out-of-bounds read in Oracle VM VirtualBox - CVE-2023-21991
Published: April 18, 2023 / Updated: April 25, 2023
Vulnerability identifier: #VU75313
CSH Severity: Low
CVSS v4: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N]
CVE-ID: CVE-2023-21991
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the handling of VGA MMIO. A local privileged user can trigger an out-of-bounds read error and read contents of memory on the system.
Affected software
Oracle VM VirtualBox
How to mitigate CVE-2023-21991
Install updates from vendor's website.
Oracle VM VirtualBox - addressed in versions 6.1.44, 7.0.8