Improper input validation in Microsoft Windows and Windows Server - CVE-2017-0146

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an error when parsing requests in Microsoft Server Message Block 1.0 (SMBv1) server. A remote unauthenticated attacker can send specially crafted SMB packets and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: this vulnerability has been exploited in the wild and is publicly known as EternalChampion exploit.

Affected software

How to mitigate CVE-2017-0146

Install updates from vendor's website.

Links to Public Exploits and PoC-codes

• Exploit #50 - MS17-010 SMB RCE Detection (March 18, 2020)
• Exploit #51 - MS17-010 EternalRomance/EternalSynergy/EternalChampion SMB Remote Windows Command Execution (March 18, 2020)
• Exploit #1080 - Microsoft Windows - SrvOs2FeaToNt SMB Remote Code Execution (MS17-010) (March 18, 2020)
• Exploit #1081 - Microsoft Windows - Uncredentialed SMB RCE (MS17-010) (Metasploit) (March 18, 2020)
• Exploit #1487 - SMB DOUBLEPULSAR Remote Code Execution (March 18, 2020)
• Exploit #1511 - DOUBLEPULSAR Payload Execution and Neutralization (March 18, 2020)
• Exploit #1579 - MS17-010 EternalRomance/EternalSynergy/EternalChampion SMB Remote Windows Code Execution (March 18, 2020)
• Exploit #1583 - MS17-010 EternalBlue SMB Remote Windows Kernel Pool Corruption for Win8+ (March 18, 2020)
• Exploit #1589 - MS17-010 EternalBlue SMB Remote Windows Kernel Pool Corruption (March 18, 2020)

External References

• https://technet.microsoft.com/en-us/library/security/MS17-010

Related Security Bulletins

• Multiple vulnerabilities in Microsoft Windows SMB Server
• Windows SMB Remote Code Execution Vulnerability