CVE-2017-8495

EPSS 4.6%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 4.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

11 Jul 2017Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Microsoft Corporation · 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.

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495 https://www.orpheus-lyre.info/http://www.securityfocus.com/bid/99424 http://www.securitytracker.com/id/1038862