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Family: Denial of Service --> Category: mixed

Dropbear Authorization-Pending Denial of Service Vulnerability Vulnerability Scan

Vulnerability Scan Summary
Checks for authorization pending connection limit in Dropbear SSH server

Detailed Explanation for this Vulnerability Test

Synopsis :

The remote SSH server is susceptible to denial of service attacks.

Description :

The remote host is running Dropbear, a small, open-source SSH server.

The version of Dropbear installed on the remote host by default has a limit of
30 connections in the authorization-pending state
subsequent connections are
closed immediately. This issue can be exploited trivially by an
unauthenticated attacker to deny service to legitimate users.

See also :

Solution :

Upgrade to Dropbear 0.48 or later.

Threat Level:

Low / CVSS Base Score : 2

Click HERE for more information and discussions on this network vulnerability scan.


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