Rapid7 Vulnerability & Exploit Database

OpenSSH "X11UseLocalhost" X11 Forwarding Session Hijacking Vulnerability

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OpenSSH "X11UseLocalhost" X11 Forwarding Session Hijacking Vulnerability

Severity
1
CVSS
(AV:L/AC:H/Au:N/C:P/I:N/A:N)
Published
07/21/2008
Created
07/25/2018
Added
05/28/2009
Modified
02/13/2015

Description

OpenSSH before 5.1 sets the SO_REUSEADDR socket option when the X11UseLocalhost configuration setting is disabled, which allows local users on some platforms to hijack the X11 forwarding port via a bind to a single IP address, as demonstrated on the HP-UX platform.

Solution(s)

  • openbsd-openssh-upgrade-5_1

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