Microsoft Windows up to XP SP3 SMB input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component SMB. The manipulation leads to input validation (EternalBlue/EternalChampion/EternalRomance/EternalSynergy). This vulnerability is documented as CVE-2017-0146. The attack can be initiated remotely. Additionally, an exploit exists. A worm is spreading, which is automatically exploiting this vulnerability. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Windows (Operating System). This issue affects an unknown function of the component SMB. The manipulation with an unknown input leads to a input validation vulnerability (EternalBlue/EternalChampion/EternalRomance/EternalSynergy). Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0143, CVE-2017-0144, CVE-2017-0145, and CVE-2017-0148.

The bug was discovered 03/14/2017. The weakness was released 03/14/2017 as MS17-010 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. The identification of this vulnerability is CVE-2017-0146 since 09/09/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Sean Dillon in Python and been published 2 months after the advisory. The exploit is available at exploit-db.com. It is declared as attacked. We expect the 0-day to have been worth approximately $25k-$100k. A worm is spreading, which is automatically exploiting this vulnerability. The vulnerability scanner Nessus provides a plugin with the ID 97833 (MS17-010: Security Update for Microsoft Windows SMB Server (4013389) (ETERNALBLUE) (ETERNALCHAMPION) (ETERNALROMANCE) (ETERNALSYNERGY) (WannaCry) (EternalRocks) (Petya) (uncredentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91345 (Microsoft SMB Server Remote Code Execution Vulnerability (MS17-010) and Shadow Brokers). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/25/2022 with a due date of 04/15/2022:

Apply updates per vendor instructions.

Applying the patch MS17-010 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 41978.

The vulnerability is also documented in the databases at Exploit-DB (41891), Zero-Day.cz (448), Tenable (97833), SecurityFocus (BID 96707†) and SecurityTracker (ID 1037991†). blogs.technet.microsoft.com is providing further details. Entries connected to this vulnerability are available at VDB-50445, VDB-98018, VDB-98019 and VDB-98020. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Name: EternalBlue/EternalChampion/EternalRomance/EternalSynergy
Class: Input validation / EternalBlue/EternalChampion/EternalRomance/EternalSynergy
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Author: Sean Dillon
Wormified: 🔍
Programming Language: 🔍
Download: 🔍

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KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 97833
Nessus Name: MS17-010: Security Update for Microsoft Windows SMB Server (4013389) (ETERNALBLUE) (ETERNALCHAMPION) (ETERNALROMANCE) (ETERNALSYNERGY) (WannaCry) (EternalRocks) (Petya) (uncredentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800565
OpenVAS Name: kb_smb_name(
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: windows_smbv1_eternalsynergy
Saint Name: Windows SMBv1 Transaction race condition

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: smb_ms17_010.rb
MetaSploit Name: MS17-010 SMB RCE Detection
MetaSploit File: 🔍

Exploit-DB: 🔍
Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: MS17-010

Snort ID: 41978
Snort Message: OS-WINDOWS Microsoft Windows SMB remote code execution attempt
Snort Class: 🔍

Timelineinfo

09/09/2016 🔍
03/14/2017 +186 days 🔍
03/14/2017 +0 days 🔍
03/14/2017 +0 days 🔍
03/14/2017 +0 days 🔍
03/15/2017 +1 days 🔍
03/16/2017 +1 days 🔍
03/20/2017 +4 days 🔍
04/17/2017 +28 days 🔍
04/17/2017 +0 days 🔍
02/04/2025 +2850 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS17-010
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0146 (🔍)
GCVE (CVE): GCVE-0-2017-0146
GCVE (VulDB): GCVE-100-98021

OVAL: 🔍

SecurityFocus: 96707 - Microsoft Windows SMB Server CVE-2017-0146 Remote Code Execution Vulnerability
SecurityTracker: 1037991

scip Labs: https://www.scip.ch/en/?labs.20161215
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 03/15/2017 11:53
Updated: 02/04/2025 21:10
Changes: 03/15/2017 11:53 (106), 10/25/2019 12:41 (1), 04/24/2024 10:41 (29), 07/06/2024 14:13 (2), 07/17/2024 01:10 (7), 09/09/2024 22:29 (2), 12/26/2024 22:40 (1), 02/04/2025 21:10 (11)
Complete: 🔍
Cache ID: 216::103

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