Advisory Details

April 29th, 2019

(Pwn2Own) Oracle VirtualBox OHCI Integer Overflow Information Disclosure Vulnerability

ZDI-19-423
ZDI-CAN-8361

CVE ID CVE-2019-2723
CVSS SCORE 4.4, (AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N)
AFFECTED VENDORS Oracle
AFFECTED PRODUCTS VirtualBox
VULNERABILITY DETAILS

Workstation
This vulnerability allows local attackers to disclose sensitive information on vulnerable installations of Oracle VirtualBox. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the processing of OHCI data. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this in conjunction with other vulnerabilities to 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/technetwork/security-advisory/cpuapr2019-5072813.html
DISCLOSURE TIMELINE
  • 2019-03-20 - Vulnerability reported to vendor
  • 2019-04-29 - Coordinated public release of advisory
  • 2019-06-14 - Advisory Updated
CREDIT fluoroacetate (@fluoroacetate)
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