CVE-2020-14703: Oracle VirtualBox e1000 Unintialized Memory Information Disclosure Vulnerability
First published: Wed Jul 15 2020(Updated: )
This vulnerability allows local 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 e1000 component. 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 execute code in the context of the hypervisor.
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle VM VirtualBox | ||
| Oracle VirtualBox | <5.2.44 | |
| Oracle VirtualBox | >=6.0.0<6.0.24 | |
| Oracle VirtualBox | >=6.1.0<6.1.12 | |
| SUSE Linux | =15.1 | |
| SUSE Linux | =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-20-905/
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-14703.
What is the title of the vulnerability?
The title of the vulnerability is Oracle VirtualBox e1000 Uninitialized Memory Information Disclosure Vulnerability.
What is the severity of CVE-2020-14703?
The severity of CVE-2020-14703 is medium (severity value: 6).
Which software versions are affected by CVE-2020-14703?
The affected software versions are Oracle VM VirtualBox prior to 5.2.44, prior to 6.0.24, and prior to 6.1.12.
How can I fix the Oracle VirtualBox e1000 Uninitialized Memory Information Disclosure Vulnerability (CVE-2020-14703)?
To fix the vulnerability, update Oracle VM VirtualBox to version 5.2.44, 6.0.24, or 6.1.12.
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