Ubuntu: USN-2966-1 (CVE-2016-1908): OpenSSH vulnerabilities
8
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
03/21/2016
07/25/2018
05/09/2016
04/25/2018
Description
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.
Solution(s)
- ubuntu-upgrade-openssh-server
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