Rapid7 Vulnerability & Exploit Database

OpenSSH X11 Cookie Local Authentication Bypass Vulnerability

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OpenSSH X11 Cookie Local Authentication Bypass Vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
09/04/2007
Created
07/25/2018
Added
07/16/2009
Modified
06/17/2021

Description

ssh in OpenSSH before 4.7 does not properly handle when an untrusted cookie cannot be created and uses a trusted X11 cookie instead, which allows attackers to violate intended policy and gain privileges by causing an X client to be treated as trusted.

Solution(s)

  • openbsd-openssh-upgrade-4_7

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