Denial of service when processing WEBDAV in Micorosft Windows

Published: 2018-06-12 20:44:40
Severity Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2018-8175
CVSSv3 6.4 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CWE ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software Windows
Windows Server
Vulnerable software versions Windows 10
Windows Server 2016
Vendor URL Microsoft

Security Advisory

1) Improper input validation

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to an error when Windows NT WEBDAV Minirdr attempts to query a WEBDAV directory. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger the system to send an SMB request and cause the affected system to crash.

Successful exploitation of the vulnerability may allow an attacker to perform a denial of service (DoS) attack.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8175

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