Summary

Security Advisory ID : BSA-2019-133

Component : FOS

Revision : 1.0: Final

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.

Products Confirmed Not Vulnerable

No Brocade Fibre Channel technology products from Broadcom are currently known to be affected by this vulnerability.

Workaround

There are no workarounds that address this vulnerability.

Revision History