CVE-2020-14646: Oracle VirtualBox LsiLogicSCSI Out-Of-Bounds Write Privilege Escalation Vulnerability
First published: Wed Jul 15 2020(Updated: )
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 lsilogicRegisterWrite function. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. 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 | <5.2.44 | |
| Oracle VM VirtualBox | >=6.0.0<6.0.24 | |
| Oracle VM VirtualBox | >=6.1.0<6.1.12 | |
| openSUSE Leap | =15.1 | |
| openSUSE Leap | =15.2 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00068.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00079.html
- https://security.gentoo.org/glsa/202101-09
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.zerodayinitiative.com/advisories/ZDI-20-888/
Frequently Asked Questions
What is CVE-2020-14646?
CVE-2020-14646 is a vulnerability in the Oracle VM VirtualBox product that allows a high privileged attacker to escalate privileges.
What is the severity of CVE-2020-14646?
CVE-2020-14646 has a severity rating of 7.5 (High).
Which versions of Oracle VirtualBox are affected by CVE-2020-14646?
Oracle VirtualBox versions prior to 5.2.44, prior to 6.0.24, and prior to 6.1.12 are affected by CVE-2020-14646.
How can an attacker exploit CVE-2020-14646?
It is difficult to exploit CVE-2020-14646, but an attacker with high privileges and logon access to the infrastructure can exploit this vulnerability.
Is openSUSE Leap affected by CVE-2020-14646?
Yes, openSUSE Leap versions 15.1 and 15.2 are affected by CVE-2020-14646.
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