Improper input validation in Microsoft Windows and Windows Server - CVE-2017-11780
Published: October 10, 2017 / Updated: October 10, 2017
Vulnerability identifier: #VU8773
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-11780
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated attacker to execute arbitrary code on the target system.
The vulnerability exists due to input validation error in the Microsoft Server Message Block 1.0 (SMBv1) server handles certain requests. A remote attacker can send a specially crafted packet to a targeted SMBv1 server and execute arbitrary code with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
The vulnerability exists due to input validation error in the Microsoft Server Message Block 1.0 (SMBv1) server handles certain requests. A remote attacker can send a specially crafted packet to a targeted SMBv1 server and execute arbitrary code with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2017-11780
Install updates from vendor's website.