DoS when processing NetBIOS packets in Microsoft Windows



Published: 2017-08-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-0174
CWE-ID CWE-20
Exploitation vector Local network
Public exploit N/A
Vulnerable software
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Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU7728

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/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 - Improper input validation

Exploit availability: No

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 7 - 10

Windows Server: 2008 - 2016

External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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