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Dropbear SSH 'CVE-2017-9079' Symlink Local File Read Vulnerability
Information
Severity
Severity
Medium
Family
Family
General
CVSSv2 Base
CVSSv2 Base
4.7
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:M/Au:N/C:C/I:N/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
6 years ago
Modified
Modified
5 years ago
Summary
This host is installed with Dropbear SSH and is prone to a local file read vulnerability via symlinks.
Insight
Insight
The flaw exists because ~/.ssh/authorized_keys is read with root privileges and symlinks are followed.
Affected Software
Affected Software
Dropbear SSH before 2017.75
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade to Dropbear SSH version 2017.75 or later.