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OpenSSH X11 Forwarding Security Bypass Vulnerability (Windows)
Information
Severity
Severity
High
Family
Family
General
CVSSv2 Base
CVSSv2 Base
7.5
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
6 years ago
Modified
Modified
4 years ago
Summary
This host is installed with openssh and is prone to security bypass vulnerability.
Insight
Insight
An access flaw was discovered in OpenSSH, It did not correctly handle failures to generate authentication cookies for untrusted X11 forwarding. A malicious or compromised remote X application could possibly use this flaw to establish a trusted connection to the local X server, even if only untrusted X11 forwarding was requested.
Affected Software
Affected Software
OpenSSH versions before 7.2 on Windows
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade to OpenSSH version 7.2 or later.