CVE-2017-8495
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| windows | - | affected | |
| windows | 1511 | affected | |
| windows | 1607 | affected | |
| windows | 1703 | affected | |
| windows | affected | | |
| windows | r2 | affected | |
References
- http://www.securityfocus.com/bid/99424
- http://www.securitytracker.com/id/1038862
- 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
- https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495
- https://www.orpheus-lyre.info/
CWEs
CWE-287
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.