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OpenSSH < 8.1 Integer Overflow Vulnerability
Information
Severity
Severity
Medium
Family
Family
General
CVSSv2 Base
CVSSv2 Base
4.4
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:M/Au:N/C:P/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
4 years ago
Modified
Modified
4 years ago
Summary
OpenSSH is prone to an integer overflow vulnerability.
Insight
Insight
An exploitable integer overflow bug was found in the private key parsing code for the XMSS key type. This key type is still experimental and support for it is not compiled by default. No user-facing autoconf option exists in portable OpenSSH to enable it.
Affected Software
Affected Software
OpenSSH versions 7.7 through 7.9 and 8.x before 8.1.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 8.1 or later.