CVE-2020-0796: Microsoft SMBv3 Remote Code Execution Vulnerability
First published: Thu Mar 12 2020(Updated: )
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | =1903 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows Server 2016 | =1903 | |
| Microsoft Windows Server 2016 | =1909 | |
| Microsoft SMBv3 | ||
| =1903 | ||
| =1909 | ||
| =1903 | ||
| =1909 |
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Reference Links
- http://packetstormsecurity.com/files/156731/CoronaBlue-SMBGhost-Microsoft-Windows-10-SMB-3.1.1-Proof-Of-Concept.html
- http://packetstormsecurity.com/files/156732/Microsoft-Windows-SMB-3.1.1-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/156980/Microsoft-Windows-10-SMB-3.1.1-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/157110/SMBv3-Compression-Buffer-Overflow.html
- http://packetstormsecurity.com/files/157901/Microsoft-Windows-SMBGhost-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/158054/SMBleed-SMBGhost-Pre-Authentication-Remote-Code-Execution-Proof-Of-Concept.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796
- https://nvd.nist.gov/vuln/detail/CVE-2020-0796
Frequently Asked Questions
What is the severity of CVE-2020-0796?
CVE-2020-0796 is rated as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2020-0796?
To fix CVE-2020-0796, ensure that your Windows systems are updated with the latest security patches provided by Microsoft.
Which software versions are affected by CVE-2020-0796?
CVE-2020-0796 affects Microsoft Windows 10 versions 1903 and 1909, as well as Windows Server 2016 versions 1903 and 1909.
What type of vulnerability is CVE-2020-0796?
CVE-2020-0796 is classified as a remote code execution vulnerability within the SMBv3 protocol.
Can CVE-2020-0796 be exploited remotely?
Yes, CVE-2020-0796 can be exploited remotely, allowing attackers to execute arbitrary code on affected systems.
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