Microsoft Windows up to XP SP3 SMB input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows. It has been declared as very critical. Affected is an unknown function of the component SMB. Executing a manipulation can lead to input validation (EternalBlue/EternalChampion/EternalRomance/EternalSynergy/WannaCry). This vulnerability is registered as CVE-2017-0145. It is possible to launch the attack remotely. Furthermore, an exploit is available. A worm is spreading and is exploiting this vulnerability automatically. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as very critical was found in Microsoft Windows (Operating System). This vulnerability affects some unknown processing of the component SMB. The manipulation with an unknown input leads to a input validation vulnerability (EternalBlue/EternalChampion/EternalRomance/EternalSynergy/WannaCry). The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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-2017-0146, and CVE-2017-0148.

The bug was discovered 03/14/2017. The weakness was published 03/14/2017 as MS17-010 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability was named CVE-2017-0145 since 09/09/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/26/2024).

A public exploit has been developed by Sean Dillon in Python and been published 2 months after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as attacked. As 0-day the estimated underground price was around $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). This issue was added on 02/10/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 08/10/2022:

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.

The vulnerability is also documented in the databases at Exploit-DB (41891), Zero-Day.cz (451), Tenable (97833), SecurityFocus (BID 96705†) and SecurityTracker (ID 1037991†). Similar entries are available at VDB-98018, VDB-98019, VDB-98021 and VDB-98022. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Name: EternalBlue/EternalChampion/EternalRomance/EternalSynergy/WannaCry
Class: Input validation / EternalBlue/EternalChampion/EternalRomance/EternalSynergy/WannaCry
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 Ransomware: 🔍
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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: 🔍
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Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802074
OpenVAS Name: kb_smb_name(
OpenVAS File: 🔍
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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: 🔍

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0-Day Time: 🔍
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Patch: MS17-010

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 🔍
12/26/2024 +2810 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS17-010
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0145 (🔍)
GCVE (CVE): GCVE-0-2017-0145
GCVE (VulDB): GCVE-100-98020

OVAL: 🔍

SecurityFocus: 96705 - Microsoft Windows SMB Server CVE-2017-0145 Remote Code Execution Vulnerability
SecurityTracker: 1037991

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

Entryinfo

Created: 03/15/2017 11:53
Updated: 12/26/2024 22:40
Changes: 03/15/2017 11:53 (99), 10/25/2019 12:35 (1), 04/22/2024 19:50 (29), 07/06/2024 11:40 (2), 07/24/2024 18:49 (8), 09/09/2024 22:29 (1), 12/26/2024 22:40 (1)
Complete: 🔍
Cache ID: 216:9F6:103

Once again VulDB remains the best source for vulnerability data.

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