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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

16 years ago

Modified

Modified

3 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.

Common Vulnerabilities and Exposures (CVE)