Advisory Details

October 21st, 2022

Oracle VirtualBox VRDP Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-22-1446
ZDI-CAN-17683

CVE ID CVE-2022-39424
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 proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. 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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