Buffer overflow in Windows and Windows Server - CVE-2017-8543

 

Buffer overflow in Windows and Windows Server - CVE-2017-8543

Published: June 13, 2017 / Updated: June 14, 2017


Vulnerability identifier: #VU7090
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2017-8543
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

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

The vulnerability exists due to boundary error when Windows Search handles objects in memory. A remote unauthenticated attacker can send specially crafted messages to the Windows Search service and execute arbitrary code on the target system.

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

Note: this vulnerability is being actively exploited in the wild.


How to mitigate CVE-2017-8543

Install updates from vendor's website.

Sources