Ubuntu Update for rdesktop vulnerabilities USN-646-1

###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_ubuntu_USN_646_1.nasl 7969 2017-12-01 09:23:16Z santu $
#
# Ubuntu Update for rdesktop vulnerabilities USN-646-1
#
# Authors:
# System Generated Check
#
# Copyright:
# Copyright (c) 2009 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

include("revisions-lib.inc");
tag_insight = "It was discovered that rdesktop did not properly validate the length
  of packet headers when processing RDP requests. If a user were tricked
  into connecting to a malicious server, an attacker could cause a
  denial of service or possible execute arbitrary code with the
  privileges of the user. (CVE-2008-1801)

  Multiple buffer overflows were discovered in rdesktop when processing
  RDP redirect requests. If a user were tricked into connecting to a
  malicious server, an attacker could cause a denial of service or
  possible execute arbitrary code with the privileges of the user.
  (CVE-2008-1802)
  
  It was discovered that rdesktop performed a signed integer comparison
  when reallocating dynamic buffers which could result in a heap-based
  overflow. If a user were tricked into connecting to a malicious
  server, an attacker could cause a denial of service or possible
  execute arbitrary code with the privileges of the user.
  (CVE-2008-1802)";

tag_summary = "Ubuntu Update for Linux kernel vulnerabilities USN-646-1";
tag_affected = "rdesktop vulnerabilities on Ubuntu 6.06 LTS ,
  Ubuntu 7.04 ,
  Ubuntu 7.10 ,
  Ubuntu 8.04 LTS";
tag_solution = "Please Install the Updated Packages.";



if(description)
{
  script_xref(name: "URL" , value: "http://www.ubuntu.com/usn/usn-646-1/");
  script_id(840349);
  script_version("$Revision: 7969 $");
  script_tag(name:"last_modification", value:"$Date: 2017-12-01 10:23:16 +0100 (Fri, 01 Dec 2017) $");
  script_tag(name:"creation_date", value:"2009-03-23 10:59:50 +0100 (Mon, 23 Mar 2009)");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_xref(name: "USN", value: "646-1");
  script_cve_id("CVE-2008-1801", "CVE-2008-1802", "CVE-2008-1803");
  script_name( "Ubuntu Update for rdesktop vulnerabilities USN-646-1");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
  script_family("Ubuntu Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages");
  script_tag(name : "summary" , value : tag_summary);
  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name:"qod_type", value:"package");
  script_tag(name:"solution_type", value:"VendorFix");
  exit(0);
}


include("pkg-lib-deb.inc");

release = get_kb_item("ssh/login/release");


res = "";
if(release == NULL){
  exit(0);
}

if(release == "UBUNTU6.06 LTS")
{

  if ((res = isdpkgvuln(pkg:"rdesktop", ver:"1.4.1-1.1ubuntu0.6.06.1", rls:"UBUNTU6.06 LTS")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99); # Not vulnerable.
  exit(0);
}


if(release == "UBUNTU7.04")
{

  if ((res = isdpkgvuln(pkg:"rdesktop", ver:"1.5.0-1ubuntu1.1", rls:"UBUNTU7.04")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99); # Not vulnerable.
  exit(0);
}


if(release == "UBUNTU8.04 LTS")
{

  if ((res = isdpkgvuln(pkg:"rdesktop", ver:"1.5.0-3+cvs20071006ubuntu0.1", rls:"UBUNTU8.04 LTS")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99); # Not vulnerable.
  exit(0);
}


if(release == "UBUNTU7.10")
{

  if ((res = isdpkgvuln(pkg:"rdesktop", ver:"1.5.0-2ubuntu0.1", rls:"UBUNTU7.10")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99); # Not vulnerable.
  exit(0);
}