Ubuntu 6.06 LTS / 8.04 LTS / 9.10 : exim4 vulnerability (USN-1032-1)

#%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-1032-1. 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(51136);
  script_version("1.17");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/03/28");

  script_cve_id("CVE-2010-4344");
  script_bugtraq_id(45308);
  script_xref(name:"USN", value:"1032-1");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/04/15");

  script_name(english:"Ubuntu 6.06 LTS / 8.04 LTS / 9.10 : exim4 vulnerability (USN-1032-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security-related
patches.");
  script_set_attribute(attribute:"description", value:
"Sergey Kononenko and Eugene Bujak discovered that Exim did not
correctly truncate string expansions. A remote attacker could send
specially crafted email traffic to run arbitrary code as the Exim
user, which could also lead to root privileges.

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/1032-1/");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Exim4 string_format Function Heap Buffer Overflow');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:"CANVAS");

  script_set_attribute(attribute:"vuln_publication_date", value:"2010/12/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2010/12/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2010/12/12");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:exim4");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:exim4-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:exim4-config");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:exim4-daemon-custom");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:exim4-daemon-heavy");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:exim4-daemon-heavy-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:exim4-daemon-light");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:exim4-daemon-light-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:exim4-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:exim4-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:eximon4");
  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:8.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:9.10");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Ubuntu Local Security Checks");

  script_copyright(english:"Ubuntu Security Notice (C) 2010-2022 Canonical, Inc. / NASL script (C) 2010-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  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:"^(6\.06|8\.04|9\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 6.06 / 8.04 / 9.10", "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:"6.06", pkgname:"exim4", pkgver:"4.60-3ubuntu3.2")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"exim4-base", pkgver:"4.60-3ubuntu3.2")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"exim4-config", pkgver:"4.60-3ubuntu3.2")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"exim4-daemon-custom", pkgver:"4.60-3ubuntu3.2")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"exim4-daemon-heavy", pkgver:"4.60-3ubuntu3.2")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"exim4-daemon-light", pkgver:"4.60-3ubuntu3.2")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"eximon4", pkgver:"4.60-3ubuntu3.2")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"exim4", pkgver:"4.69-2ubuntu0.2")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"exim4-base", pkgver:"4.69-2ubuntu0.2")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"exim4-config", pkgver:"4.69-2ubuntu0.2")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"exim4-daemon-custom", pkgver:"4.69-2ubuntu0.2")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"exim4-daemon-heavy", pkgver:"4.69-2ubuntu0.2")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"exim4-daemon-heavy-dbg", pkgver:"4.69-2ubuntu0.2")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"exim4-daemon-light", pkgver:"4.69-2ubuntu0.2")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"exim4-daemon-light-dbg", pkgver:"4.69-2ubuntu0.2")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"exim4-dbg", pkgver:"4.69-2ubuntu0.2")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"exim4-dev", pkgver:"4.69-2ubuntu0.2")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"eximon4", pkgver:"4.69-2ubuntu0.2")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"exim4", pkgver:"4.69-11ubuntu4.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"exim4-base", pkgver:"4.69-11ubuntu4.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"exim4-config", pkgver:"4.69-11ubuntu4.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"exim4-daemon-custom", pkgver:"4.69-11ubuntu4.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"exim4-daemon-heavy", pkgver:"4.69-11ubuntu4.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"exim4-daemon-heavy-dbg", pkgver:"4.69-11ubuntu4.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"exim4-daemon-light", pkgver:"4.69-11ubuntu4.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"exim4-daemon-light-dbg", pkgver:"4.69-11ubuntu4.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"exim4-dbg", pkgver:"4.69-11ubuntu4.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"exim4-dev", pkgver:"4.69-11ubuntu4.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"eximon4", pkgver:"4.69-11ubuntu4.1")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    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, "exim4 / exim4-base / exim4-config / exim4-daemon-custom / etc");
}