Ubuntu Update for bash USN-3294-1

###############################################################################
# OpenVAS Vulnerability Test
#
# Ubuntu Update for bash USN-3294-1
#
# Authors:
# System Generated Check
#
# Copyright:
# Copyright (C) 2017 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.
###############################################################################

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.843174");
  script_version("$Revision: 14140 $");
  script_tag(name:"last_modification", value:"$Date: 2019-03-13 13:26:09 +0100 (Wed, 13 Mar 2019) $");
  script_tag(name:"creation_date", value:"2017-05-18 06:50:06 +0200 (Thu, 18 May 2017)");
  script_cve_id("CVE-2016-0634", "CVE-2016-7543", "CVE-2016-9401", "CVE-2017-5932");
  script_tag(name:"cvss_base", value:"7.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"qod_type", value:"package");
  script_name("Ubuntu Update for bash USN-3294-1");
  script_tag(name:"summary", value:"The remote host is missing an update for the 'bash'
  package(s) announced via the referenced advisory.");
  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
  script_tag(name:"insight", value:"Bernd Dietzel discovered that Bash
  incorrectly expanded the hostname when displaying the prompt. If a remote
  attacker were able to modify a hostname, this flaw could be exploited to execute
  arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and
  Ubuntu 16.10. (CVE-2016-0634) It was discovered that Bash incorrectly handled
  the SHELLOPTS and PS4 environment variables. A local attacker could use this
  issue to execute arbitrary code with root privileges. This issue only affected
  Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-7543) It was
  discovered that Bash incorrectly handled the popd command. A remote attacker
  could possibly use this issue to bypass restricted shells. (CVE-2016-9401) It
  was discovered that Bash incorrectly handled path autocompletion. A local
  attacker could possibly use this issue to execute arbitrary code. This issue
  only affected Ubuntu 17.04. (CVE-2017-5932)");
  script_tag(name:"affected", value:"bash on Ubuntu 17.04,
  Ubuntu 16.10,
  Ubuntu 16.04 LTS,
  Ubuntu 14.04 LTS");
  script_tag(name:"solution", value:"Please Install the Updated Packages.");

  script_xref(name:"USN", value:"3294-1");
  script_xref(name:"URL", value:"https://www.ubuntu.com/usn/usn-3294-1");
  script_tag(name:"solution_type", value:"VendorFix");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 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", re:"ssh/login/release=UBUNTU(14\.04 LTS|17\.04|16\.10|16\.04 LTS)");

  exit(0);
}

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

release = dpkg_get_ssh_release();
if(!release)
  exit(0);

res = "";

if(release == "UBUNTU14.04 LTS")
{

  if ((res = isdpkgvuln(pkg:"bash", ver:"4.3-7ubuntu1.7", rls:"UBUNTU14.04 LTS")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99);
  exit(0);
}


if(release == "UBUNTU17.04")
{

  if ((res = isdpkgvuln(pkg:"bash", ver:"4.4-2ubuntu1.1", rls:"UBUNTU17.04")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99);
  exit(0);
}


if(release == "UBUNTU16.10")
{

  if ((res = isdpkgvuln(pkg:"bash", ver:"4.3-15ubuntu1.1", rls:"UBUNTU16.10")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99);
  exit(0);
}


if(release == "UBUNTU16.04 LTS")
{

  if ((res = isdpkgvuln(pkg:"bash", ver:"4.3-14ubuntu1.2", rls:"UBUNTU16.04 LTS")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99);
  exit(0);
}