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Home >> Browse Vulnerability Assessment Database >> Denial of Service >> Dropbear Authorization-Pending Denial of Service Vulnerability

Dropbear Authorization-Pending Denial of Service Vulnerability

Vulnerability Assessment Summary Checks for authorization pending connection limit in Dropbear SSH server Detailed Explanation for this Vulnerability Assessment Summary : 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 : http://www.securityfocus.com/archive/1/426999/30/0/threaded http://lists.grok.org.uk/pipermail/full-disclosure/2006-March/042849.html Solution : Upgrade to Dropbear 0.48 or later. Network Security Threat Level: Low / CVSS Base Score : 2 (AV:R/AC:L/Au:NR/C:N/A:P/I:N/B:N) Networks Security ID: 17024 Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security

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