CVE-2019-2723: (Pwn2Own) Oracle VirtualBox OHCI Integer Overflow Information Disclosure Vulnerability
First published: Tue Apr 23 2019(Updated: )
This vulnerability allows local attackers to escalate privileges 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 handling of virtualized e1000 devices. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor.
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle VirtualBox | ||
| Oracle VM VirtualBox | <5.2.28 | |
| Oracle VM VirtualBox | >=6.0.0<6.0.6 |
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Reference Links
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://www.zerodayinitiative.com/advisories/ZDI-19-423/
- https://www.zerodayinitiative.com/advisories/ZDI-19-424/
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html
- http://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
Frequently Asked Questions
What is CVE-2019-2723?
CVE-2019-2723 is a vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization that allows a low privileged attacker to disclose information.
Which versions of Oracle VirtualBox are affected?
Versions prior to 5.2.28 and prior to 6.0.6 of Oracle VM VirtualBox are affected.
How severe is CVE-2019-2723?
CVE-2019-2723 has a severity rating of 8.8 (high).
How can I fix CVE-2019-2723?
To fix CVE-2019-2723, it is recommended to update Oracle VM VirtualBox to version 5.2.28 or 6.0.6.
Where can I find more information about CVE-2019-2723?
More information about CVE-2019-2723 can be found in the Oracle Security Advisory [link](https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html) and the ZeroDayInitiative advisories [link](https://www.zerodayinitiative.com/advisories/ZDI-19-423/) [link](https://www.zerodayinitiative.com/advisories/ZDI-19-424/).
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