EternalSynergy (CVE-2017-0143)
Microsoft Windows Server Message Block (SMBv1) Remote Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply updates per vendor instructions.
CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2017-0143
Also Known as EternalSynergy
EternalSynergy is an SMBv1 exploit tool from the 2017 Shadow Brokers leak. Microsoft's analysis states that the flaw it uses was fixed in MS17-010 as CVE-2017-0143; SecurityWeek reports the tool also uses a race condition tracked as CVE-2017-0146.
Description
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.
Severity
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HAffected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft Corporation | Windows SMB | 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 |
References
11 Links- https://cert-portal.siemens.com/productcert/pdf/ssa-701903.pdf
- https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0143
- https://cert-portal.siemens.com/productcert/pdf/ssa-966341.pdf
- http://packetstormsecurity.com/files/154690/DOUBLEPULSAR-Payload-Execution-Neutralization.html
- http://packetstormsecurity.com/files/156196/SMB-DOUBLEPULSAR-Remote-Code-Execution.html
Record Details
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