Advisory Details

April 29th, 2019

(Pwn2Own) Oracle VirtualBox OHCI Integer Overflow Information Disclosure Vulnerability

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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