Advisory Details

October 21st, 2022

Oracle VirtualBox COM RPC Interface Improper Access Control Local Privilege Escalation Vulnerability

ZDI-22-1442
ZDI-CAN-17589

CVE ID CVE-2022-39427
CVSS SCORE 8.8, (AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)
AFFECTED VENDORS Oracle
AFFECTED PRODUCTS VirtualBox
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Oracle VirtualBox. An attacker must first obtain the ability to execute low-privileged code on the target host system in order to exploit this vulnerability.

The specific flaw exists within the COM RPC Interface. The issue results from improper access control. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Oracle has issued an update to correct this vulnerability. More details can be found at:
https://www.oracle.com/security-alerts/cpuoct2022.html
DISCLOSURE TIMELINE
  • 2022-07-22 - Vulnerability reported to vendor
  • 2022-10-21 - Coordinated public release of advisory
CREDIT Exist(@exist91240480)
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