Ubuntu 10.04 LTS : net-snmp vulnerability (USN-946-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-946-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include("compat.inc");

if (description)
{
  script_id(65124);
  script_version("1.8");
  script_cvs_date("Date: 2019/09/19 12:54:26");

  script_cve_id("CVE-2008-6123");
  script_bugtraq_id(33755);
  script_xref(name:"USN", value:"946-1");

  script_name(english:"Ubuntu 10.04 LTS : net-snmp vulnerability (USN-946-1)");
  script_summary(english:"Checks dpkg output for updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Ubuntu host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The SNMP server did not correctly validate certain UDP clients when
using TCP wrappers. Under some situations, a remote attacker could
bypass access restrictions and communicate with the SNMP server,
potentially leading to a loss of privacy or a denial of service.

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://usn.ubuntu.com/946-1/"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/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_cwe_id(20);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libsnmp-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libsnmp-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libsnmp-perl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libsnmp-python");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libsnmp15");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libsnmp15-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:snmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:snmpd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:tkmib");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:10.04:-:lts");

  script_set_attribute(attribute:"vuln_publication_date", value:"2009/02/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2010/06/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/03/09");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2010-2019 Canonical, Inc. / NASL script (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("ubuntu.inc");
include("misc_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(10\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 10.04", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);

flag = 0;

if (ubuntu_check(osver:"10.04", pkgname:"libsnmp-base", pkgver:"5.4.2.1~dfsg0ubuntu1-0ubuntu2.1")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"libsnmp-dev", pkgver:"5.4.2.1~dfsg0ubuntu1-0ubuntu2.1")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"libsnmp-perl", pkgver:"5.4.2.1~dfsg0ubuntu1-0ubuntu2.1")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"libsnmp-python", pkgver:"5.4.2.1~dfsg0ubuntu1-0ubuntu2.1")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"libsnmp15", pkgver:"5.4.2.1~dfsg0ubuntu1-0ubuntu2.1")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"libsnmp15-dbg", pkgver:"5.4.2.1~dfsg0ubuntu1-0ubuntu2.1")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"snmp", pkgver:"5.4.2.1~dfsg0ubuntu1-0ubuntu2.1")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"snmpd", pkgver:"5.4.2.1~dfsg0ubuntu1-0ubuntu2.1")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"tkmib", pkgver:"5.4.2.1~dfsg0ubuntu1-0ubuntu2.1")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libsnmp-base / libsnmp-dev / libsnmp-perl / libsnmp-python / etc");
}