Ubuntu 5.10 / 6.06 LTS / 6.10 : ruby1.8 vulnerability (USN-394-1)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-394-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(27980);
  script_version("1.15");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2004-0983", "CVE-2006-6303");
  script_xref(name:"USN", value:"394-1");

  script_name(english:"Ubuntu 5.10 / 6.06 LTS / 6.10 : ruby1.8 vulnerability (USN-394-1)");
  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:
"An error was found in Ruby's CGI library that did not correctly quote
the boundary of multipart MIME requests. Using a crafted HTTP request,
a remote user could cause a denial of service, where Ruby CGI
applications would end up in a loop, monopolizing a CPU.

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/394-1/"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_cwe_id(399);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:irb1.8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libdbm-ruby1.8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libgdbm-ruby1.8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libopenssl-ruby1.8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libreadline-ruby1.8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libruby1.8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libruby1.8-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtcltk-ruby1.8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:rdoc1.8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:ri1.8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:ruby1.8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:ruby1.8-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:ruby1.8-elisp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:ruby1.8-examples");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:5.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:6.06:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:6.10");

  script_set_attribute(attribute:"patch_publication_date", value:"2006/12/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2007/11/10");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2007-2019 Canonical, Inc. / NASL script (C) 2018 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 (! ereg(pattern:"^(5\.10|6\.06|6\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 5.10 / 6.06 / 6.10", "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:"5.10", pkgname:"irb1.8", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"libdbm-ruby1.8", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"libgdbm-ruby1.8", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"libopenssl-ruby1.8", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"libreadline-ruby1.8", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"libruby1.8", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"libruby1.8-dbg", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"libtcltk-ruby1.8", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"rdoc1.8", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"ri1.8", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"ruby1.8", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"ruby1.8-dev", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"ruby1.8-elisp", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"ruby1.8-examples", pkgver:"1.8.2-9ubuntu1.4")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"irb1.8", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libdbm-ruby1.8", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libgdbm-ruby1.8", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libopenssl-ruby1.8", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libreadline-ruby1.8", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libruby1.8", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libruby1.8-dbg", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libtcltk-ruby1.8", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"rdoc1.8", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"ri1.8", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"ruby1.8", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"ruby1.8-dev", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"ruby1.8-elisp", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"ruby1.8-examples", pkgver:"1.8.4-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"irb1.8", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"libdbm-ruby1.8", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"libgdbm-ruby1.8", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"libopenssl-ruby1.8", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"libreadline-ruby1.8", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"libruby1.8", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"libruby1.8-dbg", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"libtcltk-ruby1.8", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"rdoc1.8", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"ri1.8", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"ruby1.8", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"ruby1.8-dev", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"ruby1.8-elisp", pkgver:"1.8.4-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"ruby1.8-examples", pkgver:"1.8.4-5ubuntu1.2")) 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, "irb1.8 / libdbm-ruby1.8 / libgdbm-ruby1.8 / libopenssl-ruby1.8 / etc");
}