Vulnerabilities > CVE-2004-0376 - Denial Of Service vulnerability in OFTPD Port Argument

#%NASL_MIN_LEVEL 999999

# @DEPRECATED@
#
# This script has been deprecated by freebsd_pkg_290d81b980f111d896450020ed76ef5a.nasl.
#
# Disabled on 2011/10/02.
#

#
# (C) Tenable Network Security, Inc.
#
# This script contains information extracted from VuXML :
#
# Copyright 2003-2006 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(12587);
 script_version("1.12");
 script_bugtraq_id(9980);
 script_cve_id("CVE-2004-0376");

 script_name(english:"FreeBSD : oftpd denial-of-service vulnerability (PORT command) (130)");

script_set_attribute(attribute:'synopsis', value: 'The remote host is missing a security update');
script_set_attribute(attribute:'description', value:'The following package needs to be updated: oftpd');
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
 script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
 script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:'solution', value: 'Update the package on the remote host');
script_set_attribute(attribute: 'see_also', value: 'http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=482
http://secunia.com/advisories/30916/
http://www.adobe.com/support/techdocs/331153.html
http://www.mozilla.org/security/announce/2008/mfsa2008-37.html
http://www.mozilla.org/security/announce/2008/mfsa2008-38.html
http://www.mozilla.org/security/announce/2008/mfsa2008-39.html
http://www.mozilla.org/security/announce/2008/mfsa2008-40.html
http://www.php.net/ChangeLog-5.php#5.2.7
http://www.sektioneins.de/advisories/SE-2008-06.txt
http://www.time-travellers.org/oftpd/oftpd-dos.html');
script_set_attribute(attribute:'see_also', value: 'http://www.FreeBSD.org/ports/portaudit/290d81b9-80f1-11d8-9645-0020ed76ef5a.html');

 script_set_attribute(attribute:"plugin_publication_date", value: "2004/07/06");
 script_cvs_date("Date: 2018/07/20  0:18:52");
 script_end_attributes();
 script_summary(english:"Check for oftpd");
 script_category(ACT_GATHER_INFO);
 script_copyright(english:"This script is Copyright (C) 2004-2018 Tenable Network Security, Inc.");
 family["english"] = "FreeBSD Local Security Checks";
 script_family(english:family["english"]);
 script_dependencies("ssh_get_info.nasl");
 script_require_keys("Host/FreeBSD/pkg_info");
 exit(0);
}

# Deprecated.
exit(0, "This plugin has been deprecated. Refer to plugin #36864 (freebsd_pkg_290d81b980f111d896450020ed76ef5a.nasl) instead.");

global_var cvss_score;
cvss_score=5;
include('freebsd_package.inc');


pkg_test(pkg:"oftpd<0.3.7");

#%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(36864);
  script_version("1.13");
  script_cvs_date("Date: 2019/08/02 13:32:36");

  script_cve_id("CVE-2004-0376");
  script_bugtraq_id(9980);

  script_name(english:"FreeBSD : oftpd denial-of-service vulnerability (PORT command) (290d81b9-80f1-11d8-9645-0020ed76ef5a)");
  script_summary(english:"Checks for updated package in pkg_info output");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote FreeBSD host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Philippe Oechslin reported a denial-of-service vulnerability in oftpd.
The oftpd server can be crashed by sending a PORT command containing
an integer over 8 bits long (over 255)."
  );
  # http://www.time-travellers.org/oftpd/oftpd-dos.html
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.time-travellers.org/oftpd/oftpd-dos.html"
  );
  # https://vuxml.freebsd.org/freebsd/290d81b9-80f1-11d8-9645-0020ed76ef5a.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?a8f71c05"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
  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:oftpd");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2004/03/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2004/03/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/04/23");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2009-2019 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:"oftpd<0.3.7")) 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");

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


include("compat.inc");

if(description)
{
 script_id(12125);
 script_version ("1.17");

 script_cve_id("CVE-2004-0376");
 script_bugtraq_id(9980);

 script_name(english:"oftpd PORT Command Remote DoS");
 
 script_set_attribute(attribute:"synopsis", value:
"The remote host has an application that is affected by a
denial of service vulnerability." );
 script_set_attribute(attribute:"description", value:
"The remote FTP server seems to be running oftpd version 
0.3.6 or older. There is a bug in this version which may 
allow an attacker to disable this service remotely by 
sending a malformed PORT command.

An attacker may exploit this flaw to prevent this system 
from doing its job." );
 script_set_attribute(attribute:"solution", value:
"Upgrade to oftpd 0.3.7 or newer" );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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: "2004/04/04");
 script_set_attribute(attribute:"vuln_publication_date", value: "2004/03/25");
 script_cvs_date("Date: 2018/07/16 14:09:13");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();

		    
 
 script_summary(english:"Determines if the remote oftpd server might be vulnerable to a DoS attack");
 script_category(ACT_ATTACK);
 script_family(english:"FTP");
 
 script_copyright(english:"This script is Copyright (C) 2004-2018 Tenable Network Security, Inc.");
		  
 script_dependencie("ftpserver_detect_type_nd_version.nasl", "ftp_anonymous.nasl");
 script_require_keys("ftp/login", "ftp/wuftpd");
 script_require_ports("Services/ftp", 21);
  
 exit(0);
}

#
# The script code starts here : 
#
include("ftp_func.inc");

login = get_kb_item("ftp/login");
pass  = get_kb_item("ftp/password");


port = get_ftp_port(default: 21);

banner = get_ftp_banner(port: port);

if ("Service ready for new user" >!< banner ) exit(0);

if ( ! login ) login = "ftp";

soc = open_sock_tcp(port);
if (! soc) exit(1);

if (! ftp_authenticate(socket:soc, user:login, pass:pass))
  exit(1);

  # oftpd 0.3.6 and older will happily return the size of
  # a directory, whereas 0.3.7 issues an error.
  send(socket:soc, data:'TYPE I\r\n');
  err = ftp_recv_line(socket:soc);
  send(socket:soc, data:'SIZE .\r\n');
  err = ftp_recv_line(socket:soc);
  if ( egrep(pattern:"^213 [0-9]*", string:err) ) security_warning(port);

#%NASL_MIN_LEVEL 80502

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-473. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(15310);
  script_version("1.20");
  script_cvs_date("Date: 2019/08/02 13:32:17");

  script_cve_id("CVE-2004-0376");
  script_bugtraq_id(9980);
  script_xref(name:"DSA", value:"473");

  script_name(english:"Debian DSA-473-1 : oftpd - denial of service");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"A vulnerability was discovered in oftpd, an anonymous FTP server,
whereby a remote attacker could cause the oftpd process to crash by
specifying a large value in a PORT command."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=216871"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.debian.org/security/2004/dsa-473"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"For the stable distribution (woody) this problem has been fixed in
version 0.3.6-6.

We recommend that you update your oftpd package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
  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:debian:debian_linux:oftpd");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2004/04/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2004/09/29");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2004-2019 Tenable Network Security, Inc.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


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


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"3.0", prefix:"oftpd", reference:"0.3.6-6")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:deb_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 200403-08.
#
# The advisory text is Copyright (C) 2001-2018 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(14459);
  script_version("1.12");
  script_cvs_date("Date: 2019/08/02 13:32:41");

  script_cve_id("CVE-2004-0376");
  script_xref(name:"GLSA", value:"200403-08");

  script_name(english:"GLSA-200403-08 : oftpd DoS vulnerability");
  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-200403-08
(oftpd DoS vulnerability)

    Issuing a port command with a number higher than 255 causes the server
    to crash. The port command may be issued before any authentication
    takes place, meaning the attacker does not need to know a valid
    username and password in order to exploit this vulnerability.
  
Impact :

    This exploit causes a denial of service.
  
Workaround :

    While a workaround is not currently known for this issue, all users are
    advised to upgrade to the latest version of the affected package."
  );
  # http://www.time-travellers.org/oftpd/
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.time-travellers.org/oftpd/"
  );
  # http://www.time-travellers.org/oftpd/oftpd-dos.html
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.time-travellers.org/oftpd/oftpd-dos.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/200403-08"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All users should upgrade to the current version of the affected
    package:
    # emerge sync
    # emerge -pv '>=net-ftp/oftpd-0.3.7'
    # emerge '>=net-ftp/oftpd-0.3.7'"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");

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

  script_set_attribute(attribute:"patch_publication_date", value:"2004/03/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2004/08/30");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2004-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  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-ftp/oftpd", unaffected:make_list("ge 0.3.7"), vulnerable:make_list("le 0.3.6"))) 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, "net-ftp/oftpd");
}