DoS when processing NetBIOS packets in Microsoft Windows

Published: 2017-08-08 21:03:30
Severity Low
Patch available YES
Number of vulnerabilities 1
CVSSv2 4.5 (AV:A/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
CVSSv3 5.5 [CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE ID CVE-2017-0174
CWE ID CWE-20
Exploitation vector Local network
Public exploit Not available
Vulnerable software Windows
Windows Server
Vulnerable software versions Windows 8.1
Windows 7
Windows 10
Windows RT 8.1
Windows Server 2012
Windows Server 2012 R2
Windows Server 2008
Windows Server 2008 R2
Windows Server 2016
Vendor URL Microsoft
Advisory type Public

Security Advisory

1) Improper input validation

Description

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

The vulnerability exists due to an error when processing NetBIOS packets. A remote attacker in the local network can send a series of TCP packets to a target system and cause denial of service.

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

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0174

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