Attack vector
UNKNOWN Attack complexity
UNKNOWN Privileges required
UNKNOWN Confidentiality impact
UNKNOWN Integrity impact
UNKNOWN Availability impact
UNKNOWN Published: 2005-12-17
Updated: 2011-03-08
Summary
SSH Tectia Server 5.0.0 (A, F, and T), when allowing host-based authentication only, allows users to log in with the wrong credentials.
Vulnerable Configurations
Part | Description | Count |
Application | Ssh | 3 |
Nessus
NASL family | Misc. |
NASL id | TECTIA_SSH_SERVER_HOST_BYPASS.NASL |
description | You are running a version of Tectia SSH server that is older than 5.0.1. Versions older than 5.0.1 are vulnerable to a flaw in which an attacker may bypass the authentication routine. However, the ssh server must be configured to use Host-Based authentication only. |
last seen | 2020-06-01 |
modified | 2020-06-02 |
plugin id | 20316 |
published | 2005-12-16 |
reporter | This script is Copyright (C) 2005-2018 Tenable Network Security, Inc. |
source | https://www.tenable.com/plugins/nessus/20316 |
title | SSH Tectia Server Host Authentication Authorization Bypass Vulnerability |
code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if(description)
{
script_id(20316);
script_version ("1.14");
script_cve_id("CVE-2005-4310");
script_bugtraq_id(15903);
name["english"] = "SSH Tectia Server Host Authentication Authorization Bypass Vulnerability";
script_name(english:name["english"]);
script_set_attribute(attribute:"synopsis", value:
"It is possible to bypass the authentication of the remote ssh server." );
script_set_attribute(attribute:"description", value:
"You are running a version of Tectia SSH server that is older than 5.0.1.
Versions older than 5.0.1 are vulnerable to a flaw in which an attacker
may bypass the authentication routine. However, the ssh server must be
configured to use Host-Based authentication only." );
script_set_attribute(attribute:"solution", value:
"Upgrade to Tectia SSH server 5.0.1 and later." );
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_publication_date", value: "2005/12/16");
script_set_attribute(attribute:"vuln_publication_date", value: "2005/12/15");
script_cvs_date("Date: 2018/08/01 17:36:12");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe",value:"cpe:/a:ssh:tectia_server");
script_end_attributes();
summary["english"] = "Checks for the remote SSH version";
script_summary(english:summary["english"]);
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2005-2018 Tenable Network Security, Inc.");
family["english"] = "Misc.";
script_family(english:family["english"]);
script_dependencie("ssh_detect.nasl");
script_require_ports("Services/ssh", 22);
exit(0);
}
#
# The script code starts here
#
port = get_kb_item("Services/ssh");
if(!port)port = 22;
banner = get_kb_item("SSH/banner/" + port );
if ( ! banner ) exit(0);
banner = tolower(banner);
if("ssh tectia server" >< banner)
{
if(ereg(pattern:"^ssh-2.0-([0-4]\..*|5.0.0.*) ssh tectia server.*", string:banner))
security_hole(port);
}
|