Vulnerabilities > CVE-2004-2068 - Denial-Of-Service vulnerability in Leafnode

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

include("compat.inc");

if(description)
{
 script_id(42260);
 script_version ("1.7");
 script_cvs_date("Date: 2018/08/10 18:07:07");

 script_cve_id("CVE-2004-2068");

 script_name(english:"leafnode fetchnews DoS");

 script_set_attribute(attribute:"synopsis", value:
"The remote server is vulnerable to a denial of service attack." );
 script_set_attribute(attribute:"description", value:
"According to its version number, the remote Leafnode NNTP server is
vulnerable to a denial of service attack.  Specifically, it may hang
without consuming CPU when attempting to read a news article with
missing mandatory headers.  This means that news will not be updated
until the fetchnews process is killed. 

Note that Nessus did not actually test for the flaw but instead has
relied on the version in Leafnode's banner so this may be a false
positive.");
 script_set_attribute(attribute:"see_also", value: "http://leafnode.sourceforge.net/leafnode-SA-2004-01.txt");
 script_set_attribute(attribute:"solution", value: "Upgrade to 1.9.48 or later." );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
 script_set_attribute(attribute:"plugin_publication_date", value: "2009/10/27");
 script_set_attribute(attribute:"vuln_publication_date", value: "2004/01/09");
 script_set_attribute(attribute:"plugin_type", value:"remote");
 script_end_attributes();

 script_summary(english:"Check Leafnode version number for flaws");
 script_category(ACT_GATHER_INFO);
 script_copyright(english:"This script is Copyright (C) 2009-2018 Tenable Network Security, Inc.");
 script_family(english:"Misc.");
 script_dependencie("nntpserver_detect.nasl");
 script_require_ports("Services/nntp", 119);
 script_require_keys("nntp/leafnode");
 exit(0);
}

#

port = get_kb_item("Services/nntp");
if (! port) port = 119;
if (! get_port_state(port)) exit(0);

k = string("nntp/banner/", port);
b = get_kb_item(k);
if (! b)
{
  soc = open_sock_tcp(port);
  if (! soc) exit(0);
  b = recv_line(socket: soc, length: 2048);
  close(soc);
}

# Example of banner:
# 200 Leafnode NNTP Daemon, version 1.9.32.rel running at localhost (my fqdn: www.nessus.org)

if ("Leafnode" >< b)
{
  if (ereg(string: b, pattern: "version +1\.9\.([3-9]|[1-3][0-9]|4[0-7])[^0-9]"))
  {
    security_warning(port: 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(37223);
  script_version("1.15");
  script_cvs_date("Date: 2019/08/02 13:32:36");

  script_cve_id("CVE-2004-2068");

  script_name(english:"FreeBSD : leafnode fetchnews denial-of-service triggered by truncated transmission (a051a4ec-3aa1-4dd1-9bdc-a61eb5700153)");
  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:
"When a downloaded news article ends prematurely, i. e. when the server
sends [CR]LF.[CR]LF before sending a blank line, fetchnews may wait
indefinitely for data that never arrives. Workaround: configure
'minlines=1' (or use a bigger value) in the configuration file. Found
by Toni Viemero."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://leafnode.sourceforge.net/leafnode-SA-2004-01.txt"
  );
  # http://sourceforge.net/tracker/index.php?func=detail&aid=873149&group_id=57767&atid=485349
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?e5e0c72b"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://article.gmane.org/gmane.network.leafnode.announce/32"
  );
  # http://sourceforge.net/mailarchive/message.php?msg_id=6922570
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?6bf5f6b4"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=61105"
  );
  # https://vuxml.freebsd.org/freebsd/a051a4ec-3aa1-4dd1-9bdc-a61eb5700153.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?a5c0cab3"
  );
  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_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:leafnode");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2004/01/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2004/05/21");
  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:"leafnode<=1.9.47")) 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 999999

# @DEPRECATED@
#
# This script has been deprecated by freebsd_pkg_a051a4ec3aa14dd19bdca61eb5700153.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(12559);
 script_version("1.10");
 script_cve_id("CVE-2004-2068");

 script_name(english:"FreeBSD : leafnode fetchnews denial-of-service triggered by truncated transmission (88)");

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: leafnode');
script_set_attribute(attribute: 'cvss_vector', value: 'CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P');
script_set_attribute(attribute:'solution', value: 'Update the package on the remote host');
script_set_attribute(attribute: 'see_also', value: 'http://coppermine-gallery.net/forum/index.php?topic=48106.0
http://drupal.org/node/184315
http://drupal.org/node/184316
http://drupal.org/node/184320
http://drupal.org/node/184348
http://drupal.org/node/184354
http://leafnode.sourceforge.net/leafnode-SA-2004-01.txt
http://secunia.com/advisories/27292
http://secunia.com/advisories/27292
http://sourceforge.net/tracker/index.php?func=detail&aid=873149&group_id=57767&atid=485349
http://www.mozilla.org/security/announce/2006/mfsa2006-09.html
http://www.mozilla.org/security/announce/2006/mfsa2006-10.html
http://www.mozilla.org/security/announce/2006/mfsa2006-11.html
http://www.mozilla.org/security/announce/2006/mfsa2006-12.html
http://www.mozilla.org/security/announce/2006/mfsa2006-13.html
http://www.mozilla.org/security/announce/2006/mfsa2006-14.html
http://www.mozilla.org/security/announce/2006/mfsa2006-15.html
http://www.mozilla.org/security/announce/2006/mfsa2006-16.html
http://www.mozilla.org/security/announce/2006/mfsa2006-17.html');
script_set_attribute(attribute:'see_also', value: 'http://www.FreeBSD.org/ports/portaudit/a051a4ec-3aa1-4dd1-9bdc-a61eb5700153.html');

 script_set_attribute(attribute:"plugin_publication_date", value: "2004/07/06");
 script_end_attributes();
 script_summary(english:"Check for leafnode");
 script_category(ACT_GATHER_INFO);
 script_copyright(english:"This script is Copyright (C) 2009-2018 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 #37223 (freebsd_pkg_a051a4ec3aa14dd19bdca61eb5700153.nasl) instead.");

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


pkg_test(pkg:"leafnode<=1.9.47");