Windows SMB Information Disclosure Vulnerability
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-0147 |
| CWE-ID | CWE-200 |
| Exploitation vector | Network |
| Public exploit | This vulnerability is being exploited in the wild. |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU6016
Risk: Medium
CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:H/RL:O/RC:C]
CVE-ID: CVE-2017-0147
CWE-ID:
CWE-200 - Information exposure
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
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 gain access to potentially sensitive data.
Successful exploitation of this vulnerability may allow an attacker to gain access to potentially sensitive information.
Note: this vulnerability has been exploited in the wild and is publicly known as EternalChampion exploit.
MitigationInstall updates from Microsoft website.
Vulnerable software versionsWindows: 7 - Vista
Windows Server: 2008 - 2016 10.0.14393.10
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0147
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.
