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OpenSSH X11 Forwarding Information Disclosure Vulnerability

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OpenSSH X11 Forwarding Information Disclosure Vulnerability

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
03/24/2008
Created
07/25/2018
Added
05/28/2009
Modified
02/13/2015

Description

OpenSSH 4.3p2, and probably other versions, allows local users to hijack forwarded X connections by causing ssh to set DISPLAY to :10, even when another process is listening on the associated port, as demonstrated by opening TCP port 6010 (IPv4) and sniffing a cookie sent by Emacs.

Solution(s)

  • openbsd-openssh-upgrade-latest

References

  • openbsd-openssh-upgrade-latest

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