Advisory Details

April 26th, 2024

(Pwn2Own) Oracle VirtualBox AHCI Controller Uninitialized Memory Information Disclosure Vulnerability

ZDI-24-414
ZDI-CAN-23787

CVE ID CVE-2024-21112
CVSS SCORE 6.0, AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
AFFECTED VENDORS Oracle
AFFECTED PRODUCTS VirtualBox
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information 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 implementation of the virtual AHCI controller. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary 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/cpuapr2024.html
DISCLOSURE TIMELINE
  • 2024-03-28 - Vulnerability reported to vendor
  • 2024-04-26 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated
CREDIT ColdEye
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