Advisory Details

October 21st, 2022

Oracle VirtualBox VRDP Double Free Remote Code Execution Vulnerability

ZDI-22-1444
ZDI-CAN-17694

CVE ID CVE-2022-39426
CVSS SCORE 8.1, (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Oracle
AFFECTED PRODUCTS VirtualBox
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Oracle VirtualBox. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of smartcard I/O messages. The issue results from the lack of validating the existence of an object prior to performing further free operations on the object. An attacker can leverage this vulnerability to execute code in the context of the RDP service.

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
  • 2022-09-06 - Vulnerability reported to vendor
  • 2022-10-21 - Coordinated public release of advisory
CREDIT kn32
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