CVE-2017-11786
high
CVSS v3
8.8
CVSS v2
9.3
VIR risk
8.8
Description
Skype for Business in Microsoft Lync 2013 SP1 and Skype for Business 2016 allows an attacker to steal an authentication hash that can be reused elsewhere, due to how Skype for Business handles authentication requests, aka "Skype for Business Elevation of Privilege Vulnerability."
Predictions
Exploit likelihood
92%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: secure@microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11786
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| microsoft | lync | 2013 | |
| microsoft | skype_for_business | 2016 | |
References
- http://www.securityfocus.com/bid/101156
- http://www.securitytracker.com/id/1039530
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11786
- http://www.securityfocus.com/bid/101156
- http://www.securitytracker.com/id/1039530
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11786
CWEs
CWE-294
Verify integrity in audit chain (admin only). AS-IS.