Home/CVE/Microsoft Windows Server Message Block (SMBv1) Remote Code Execution Vulnerability
CVE

CVE-2017-0143

Microsoft Windows Server Message Block (SMBv1) Remote Code Execution Vulnerability

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-2017-0144, CVE-2017-0145, CVE-2017-0146, and CVE-2017-0148.

HIGH · CVSS 8.8 ⚠ CISA KEV EPSS 0.94022 Ransomware: known
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • Linked to known ransomware campaigns
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules10 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

◆

Threat Actors Linked

3
actorSandworm Team
actorThe Shadow Brokers
actorTropic Trooper
▤

Affected Products & Versions

12
microsoft server message blockall versions
philips intellispace portalall versions
siemens acuson p300 firmwareall versions
siemens acuson p500 firmwareall versions
siemens acuson sc2000 firmware>= 4.0 and < 4.0e
siemens acuson sc2000 firmwareall versions
siemens acuson x700 firmwareall versions
siemens syngo sc2000 firmware>= 4.0 and < 4.0e
⚠

Public Exploits & PoCs

9
remoteDOUBLEPULSAR - Payload Execution and Neutralization (Metasploit)verified
remoteMicrosoft Windows - 'EternalRomance'/'EternalSynergy'/'EternalChampion' SMB Remote Code Execution (Metasploit) (MS17-010)verified
remoteMicrosoft Windows Server 2008 R2 (x64) - 'SrvOs2FeaToNt' SMB Remote Code Execution (MS17-010)2017-05-10
dosMicrosoft Windows - SMB Remote Code Execution Scanner (MS17-010) (Metasploit)verified
pocpacketstormsecurity.com · DOUBLEPULSAR-Payload-Execution-Neutralization.htmlpacketstormsecurity.com
pocpacketstormsecurity.com · SMB-DOUBLEPULSAR-Remote-Code-Execution.htmlpacketstormsecurity.com
pocwww.exploit-db.com · 41891www.exploit-db.com
pocwww.exploit-db.com · 41987www.exploit-db.com
pocwww.exploit-db.com · 43970www.exploit-db.com
◈

Detection Rules (IDS/IPS)

2
snort-communityOS-WINDOWS Microsoft Windows SMB kernel heap memory leak attemptattempted-recon
snort-communityOS-WINDOWS Microsoft Windows SMB kernel heap memory leak attemptattempted-recon
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
◈

Sigma Hunt Rules

10
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
relatedcriticalAntivirus Exploitation Framework Detection
relatedcriticalAntivirus Password Dumper Detection
relatedcriticalAntivirus Ransomware Detection
relatedcriticalWebshell Remote Command Execution
relatedcriticalPossible Coin Miner CPU Priority Param
relatedcriticalCobalt Strike DNS Beaconing
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Mar 2017 · 12:59 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

4
cisaKEV-CVE-2017-0143
msrcCVE-2017-0143Remote Code Execution
cisa-csafcisa-csaf-csaf_files-OT-white-2018-icsma-18-058-02
cisa-csafcisa-csaf-csaf_files-OT-white-2020-icsma-20-170-01
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/96703Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037991Broken LinkThird Party AdvisoryVDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-701903.pdfThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-966341.pdfThird Party Advisory
https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02Third Party AdvisoryUS Government Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0143PatchVendor Advisory
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