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OpenSSH UseLogin Environment Variables
Information
Severity
Severity
High
Family
Family
Gain a shell remotely
CVSSv2 Base
CVSSv2 Base
7.2
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
18 years ago
Modified
Modified
5 years ago
Summary
You are running a version of OpenSSH which is older than 3.0.2.
Insight
Insight
Versions prior than 3.0.2 are vulnerable to an environment variables export that can allow a local user to execute command with root privileges. This problem affect only versions prior than 3.0.2, and when the UseLogin feature is enabled (usually disabled by default)
Solution
Solution
Upgrade to OpenSSH 3.0.2 or apply the patch for prior versions.