Advisory Details

April 16th, 2020

Oracle VirtualBox VBoxSVGA Type Confusion Privilege Escalation Vulnerability

ZDI-20-510
ZDI-CAN-10742

CVE ID CVE-2020-2907
CVSS SCORE 7.5, (AV:L/AC:H/PR:H/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 high-privileged code on the target guest system in order to exploit this vulnerability.

The specific flaw exists within the SVGA rendering command SVGA_3D_CMD_DRAW_PRIMITIVES. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor.

ADDITIONAL DETAILS Oracle has issued an update to correct this vulnerability. More details can be found at:
https://www.oracle.com/security-alerts/cpuapr2020.html
DISCLOSURE TIMELINE
  • 2020-04-02 - Vulnerability reported to vendor
  • 2020-04-16 - Coordinated public release of advisory
CREDIT Barakat Soror
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