Rapid7 Vulnerability & Exploit Database

Microsoft Windows: CVE-2017-8495: Kerberos SNAME Security Feature Bypass Vulnerability

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

Microsoft Windows: CVE-2017-8495: Kerberos SNAME Security Feature Bypass Vulnerability

Severity
6
CVSS
(AV:N/AC:M/Au:S/C:P/I:P/A:P)
Published
07/11/2017
Created
07/25/2018
Added
07/11/2017
Modified
09/11/2024

Description

Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an attacker to bypass Extended Protection for Authentication when Kerberos fails to prevent tampering with the SNAME field during ticket exchange, aka "Kerberos SNAME Security Feature Bypass Vulnerability" or Orpheus' Lyre.

Solution(s)

  • microsoft-windows-windows_10-1507-kb4025338
  • microsoft-windows-windows_10-1511-kb4025344
  • microsoft-windows-windows_10-1607-kb4025339
  • microsoft-windows-windows_10-1703-kb4025342
  • microsoft-windows-windows_server_2012-kb4025343
  • microsoft-windows-windows_server_2012_r2-kb4025333
  • microsoft-windows-windows_server_2012_r2-kb4025336
  • microsoft-windows-windows_server_2016-1607-kb4025339
  • msft-kb4022746-0c5eb670-7878-4921-ad9e-d3b98c6f0022
  • msft-kb4022746-38505407-19c0-4b65-b284-7b08a67da606
  • msft-kb4022746-40d8bc1d-ad80-48bd-a0a8-f218746ef859
  • msft-kb4022746-fe0c931d-ef7a-4ea1-888b-b451a77ee531
  • msft-kb4025333-2884a1b4-f534-42b7-b4e9-6b07e48912f2
  • msft-kb4025333-9787a4fc-d69c-4bf5-92bf-7ee510368696
  • msft-kb4025337-27fce932-7817-4fdb-965f-19eb36d78839
  • msft-kb4025337-6c36dd1f-0240-48fa-9696-3fcf17a57a62
  • msft-kb4025337-794feee1-ea78-4c11-a683-a91335abb0e3
  • msft-kb4025337-856a0bc5-b356-4282-a54e-9cf87b548303
  • msft-kb4025337-85fadee5-ed6f-4a22-964a-9b2991c4cff1
  • msft-kb4025337-c15b95d8-875f-4922-9460-08ece3c9b584
  • msft-kb4025343-3a348a0c-2982-4ee6-b51b-6e4644a6c888
  • msft-kb4025343-878d370a-a48a-4f91-b0fc-a0dfd69e30ab

References

View more

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
  • Lightweight Endpoint Agent
  • Live Dashboards
  • Real Risk Prioritization
  • IT-Integrated Remediation Projects
  • Cloud, Virtual, and Container Assessment
  • Integrated Threat Feeds
  • Easy-to-Use RESTful API
  • Automation-Assisted Patching
  • Automated Containment
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;