Vulnerabilities > CVE-2006-0705 - USE of Externally-Controlled Format String vulnerability in multiple products

#
# (C) Tenable Network Security, Inc.
#


include("compat.inc");

if (description) {
  script_id(20927);
  script_version("1.16");

  script_cve_id("CVE-2006-0705");
  script_bugtraq_id(16640);

  script_name(english:"SSH Tectia Server SFTP Filename Logging Format String");
  script_summary(english:"Checks for format string vulnerability in SSH Tectia Server SFTP subsystem");
 
 script_set_attribute(attribute:"synopsis", value:
"The remote SSH server may be affected by a format string
vulnerability." );
 script_set_attribute(attribute:"description", value:
"The remote host is running SSH Tectia Server, a commercial SSH server. 

According to its banner, the installed version of this software
contains a format string vulnerability in its sftp subsystem.  A
remote, authenticated attacker may be able to execute arbitrary code
on the affected host subject to his privileges or crash the server
itself." );
 script_set_attribute(attribute:"see_also", value:"http://www.ssh.com/company/newsroom/article/715/" );
 script_set_attribute(attribute:"solution", value:
"As a temporary solution, disable the sftp subsystem as described in
the vendor advisory above.  A better solution, though, is to upgrade
to SSH Tectia Server version 4.3.7 or 4.4.2 or later." );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
 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: "2006/02/15");
 script_set_attribute(attribute:"vuln_publication_date", value: "2006/02/13");
 script_cvs_date("Date: 2018/07/30 15:31:32");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:ssh:tectia_serve");
script_end_attributes();

 
  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");
  script_copyright(english:"This script is Copyright (C) 2006-2018 Tenable Network Security, Inc.");
  script_dependencies("ssh_detect.nasl");
  script_require_ports("Services/ssh", 22);

  exit(0);
}

include("backport.inc");

port = get_kb_item("Services/ssh");
if (!port) port = 22;


banner = get_kb_item("SSH/banner/" + port);
if ( ! banner ) exit(0);
banner = get_backport_banner(banner:banner);

if ( ereg(pattern:"^SSH-2\.0-([0-3]\..*|4\.([0-2]\..*|3\.[0-6]\..*|4\.[01]\..*)) SSH Tectia Server", string:banner)
) {
  security_warning(port);
}

#
# (C) Tenable Network Security
#


include("compat.inc");

if (description) {
  script_id(20902);
  script_version("1.15");

  script_cve_id("CVE-2006-0705");
  script_bugtraq_id(16625);
  script_xref(name:"CERT", value:"419241");

  script_name(english:"AttachmateWRQ Reflection for Secure IT Server SFTP Format String");
  script_summary(english:"Checks for format string vulnerability in AttachmateWRQ Reflection for Secure IT Server SFTP subsystem");
 
 script_set_attribute(attribute:"synopsis", value:
"The remote SSH server is affected by a format string vulnerability." );
 script_set_attribute(attribute:"description", value:
"The remote host is running AttachmateWRQ Reflection for Secure IT
Server / F-Secure SSH Server, a commercial SSH server. 

According to its banner, the installed version of this software
contains a format string vulnerability in its sftp subsystem.  A
remote, authenticated attacker may be able to execute arbitrary code
on the affected host subject to his privileges or crash the server
itself." );
 script_set_attribute(attribute:"see_also", value:"https://support.microfocus.com/techdocs/1882.html" );
 script_set_attribute(attribute:"solution", value:
"Either upgrade as described in the vendor advisory above or edit the
software's configuration to disable the SFTP subsystem." );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
 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: "2006/02/14");
 script_set_attribute(attribute:"vuln_publication_date", value: "2006/02/13");
 script_cvs_date("Date: 2018/11/15 20:50:24");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();

 
  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2006-2018 Tenable Network Security, Inc.");

  script_dependencies("ssh_detect.nasl");
  script_require_ports("Services/ssh", 22);

  exit(0);
}


port = get_kb_item("Services/ssh");
if (!port) port = 22;


banner = get_kb_item("SSH/banner/" + port);
if (banner) {
  if ("ReflectionForSecureIT" >< banner) {
    if (
      # Reflection for Secure IT Windows Server versions 6.x < 6.0 build 38.
      egrep(pattern:"WRQReflectionForSecureIT_6\.0 Build ([0-2]|3[0-4])", string:banner) ||
      # Reflection for Secure IT UNIX Server versions 6.x < 6.0.0.9.
      egrep(pattern:"ReflectionForSecureIT_6\.0\.0\.[0-8]", string:banner)
    ) security_warning(port);
  }
  else if ("F-Secure SSH" >< banner) {
    if (
      #  F-Secure SSH Server for Windows versions 5.x < 5.3 build 35.
      egrep(pattern:"SSH-2\.0-5\.([0-2].*|3 Build ([0-2].*|3[0-4])) F-Secure SSH Windows", string:banner) ||
      #  F-Secure SSH Server for UNIX versions 3.x and 5.x < 5.0.8.
      egrep(pattern:"SSH-2\.0-(3\..*|5\.0\.[0-7]) F-Secure SSH", string:banner)
    ) security_warning(port);
  }
}

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from the FreeBSD VuXML database :
#
# Copyright 2003-2018 Jacques Vidrine and contributors
#
# Redistribution and use in source (VuXML) and 'compiled' forms (SGML,
# HTML, PDF, PostScript, RTF and so forth) with or without modification,
# are permitted provided that the following conditions are met:
# 1. Redistributions of source code (VuXML) must retain the above
#    copyright notice, this list of conditions and the following
#    disclaimer as the first lines of this file unmodified.
# 2. Redistributions in compiled form (transformed to other DTDs,
#    published online in any format, converted to PDF, PostScript,
#    RTF and other formats) must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer
#    in the documentation and/or other materials provided with the
#    distribution.
# 
# THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

include("compat.inc");

if (description)
{
  script_id(21431);
  script_version("1.17");
  script_cvs_date("Date: 2019/08/02 13:32:38");

  script_cve_id("CVE-2006-0705");
  script_bugtraq_id(16640);
  script_xref(name:"Secunia", value:"18828");

  script_name(english:"FreeBSD : SSH.COM SFTP server -- format string vulnerability (594ad3c5-a39b-11da-926c-0800209adf0e)");
  script_summary(english:"Checks for updated packages in pkg_info output");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote FreeBSD host is missing one or more security-related
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"SSH Communications Security Corp reports a format string vulnerability
in their SFTP server. This vulnerability could cause a user with
SCP/SFTP access only to get permission to execute also other commands.
It could also allow user A to create a special file that when accessed
by user B allows user A to execute commands as user B."
  );
  # http://www.ssh.com/company/newsroom/article/715/
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.ssh.com/ssh/sftp/"
  );
  # http://www.frsirt.com/english/advisories/2006/0554
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.frsirt.com"
  );
  # http://securitytracker.com/id?1015619
  script_set_attribute(
    attribute:"see_also",
    value:"https://securitytracker.com/id?1015619"
  );
  # http://xforce.iss.net/xforce/xfdb/24651
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?7d49eeca"
  );
  # https://vuxml.freebsd.org/freebsd/594ad3c5-a39b-11da-926c-0800209adf0e.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?2612ee45"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:ssh2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:ssh2-nox11");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2006/02/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2006/03/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2006/05/13");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2006-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"FreeBSD Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info");

  exit(0);
}


include("audit.inc");
include("freebsd_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD");
if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (pkg_test(save_report:TRUE, pkg:"ssh2<3.2.9.1_5")) flag++;
if (pkg_test(save_report:TRUE, pkg:"ssh2-nox11<3.2.9.1_5")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:pkg_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 200703-13.
#
# The advisory text is Copyright (C) 2001-2015 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike 
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#

include("compat.inc");

if (description)
{
  script_id(24830);
  script_version("1.14");
  script_cvs_date("Date: 2019/08/02 13:32:44");

  script_cve_id("CVE-2006-0705");
  script_xref(name:"GLSA", value:"200703-13");

  script_name(english:"GLSA-200703-13 : SSH Communications Security's Secure Shell Server: SFTP privilege escalation");
  script_summary(english:"Checks for updated package(s) in /var/db/pkg");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Gentoo host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote host is affected by the vulnerability described in GLSA-200703-13
(SSH Communications Security's Secure Shell Server: SFTP privilege escalation)

    The SSH Secure Shell Server contains a format string vulnerability in
    the SFTP code that handles file transfers (scp2 and sftp2). In some
    situations, this code passes the accessed filename to the system log.
    During this operation, an unspecified error could allow uncontrolled
    stack access.
  
Impact :

    An authenticated system user may be able to exploit this vulnerability
    to bypass command restrictions, or run commands as another user.
  
Workaround :

    There is no known workaround at this time."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/200703-13"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"This package is currently masked, there is no upgrade path for the
    3.2.x version, and a license must be purchased in order to update to a
    non-vulnerable version. Because of this, we recommend unmerging this
    package:
    # emerge --ask --verbose --unmerge net-misc/ssh"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:ssh");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2007/03/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2007/03/16");
  script_set_attribute(attribute:"vuln_publication_date", value:"2006/02/13");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2007-2019 Tenable Network Security, Inc.");
  script_family(english:"Gentoo Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("qpkg.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo");
if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (qpkg_check(package:"net-misc/ssh", unaffected:make_list(), vulnerable:make_list("lt 4.3.7"))) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:qpkg_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = qpkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "SSH Communications Security's Secure Shell Server");
}