Windows SMB Remote Code Execution Vulnerability



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-0145
CWE-ID CWE-20
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
 Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU6013

Risk: High

CVSSv4.0: 9.3 [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:Amber]

CVE-ID: CVE-2017-0145

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

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

The vulnerability exists due to an error when parsing requests in Microsoft Server Message Block 1.0 (SMBv1) server. A remote unauthenticated attacker can send specially crafted SMB packets and execute arbitrary code on the target system.

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

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Windows: Vista - 10

Windows Server: 2008 R2 - 2016 10.0.14393.10

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0145


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



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