CVE-2016-1908 in OpenSSH
Summary
The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies on the local X11 server for access-control decisions, which allows remote X11 clients to trigger a fallback and obtain trusted X11 forwarding privileges by leveraging configuration issues on this X11 server, as demonstrated by lack of the SECURITY extension on this X11 server.
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Reservation
01/15/2016
Disclosure
04/11/2017
Status
Confirmed
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 80656 | OpenBSD OpenSSH X11 Forwarding 7pk security | 254 | Unproven | Official fix | CVE-2016-1908 |