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PuTTY Denial Of Service Vulnerability April16 (Windows)
Information
Severity
Severity
High
Family
Family
Denial of Service
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
7 years ago
Modified
Modified
5 years ago
Summary
The host is installed with PuTTY and is prone to denial of service vulnerability.
Insight
Insight
The flaw is due to SCP command-line utility (pscp) is missing a bounds-check for a stack buffer when processing the SCP-SINK file-size response to a SCP download request.
Affected Software
Affected Software
PuTTY version 0.59 through 0.66 on Windows.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade to PuTTY version 0.67 or later.