Ubuntu 4.10 / 5.04 / 5.10 : apache2 vulnerability (USN-225-1)

#%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-225-1. 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(20768);
  script_version("1.14");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2005-2970");
  script_xref(name:"USN", value:"225-1");

  script_name(english:"Ubuntu 4.10 / 5.04 / 5.10 : apache2 vulnerability (USN-225-1)");
  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:
"A memory leak was found in the Apache 2 'worker' module in the
handling of aborted TCP connections. By repeatedly triggering this
situation, a remote attacker could drain all available memory, which
eventually led to 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:"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_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-perchild");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-prefork");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-threadpool");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-worker");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-prefork-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-threaded-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-utils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libapr0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libapr0-dev");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:4.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:5.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:5.10");

  script_set_attribute(attribute:"patch_publication_date", value:"2005/12/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2006/01/21");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2005-2019 Canonical, Inc. / NASL script (C) 2006-2016 Tenable Network Security, Inc.");
  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:"^(4\.10|5\.04|5\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 4.10 / 5.04 / 5.10", "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:"4.10", pkgname:"apache2", pkgver:"2.0.50-12ubuntu4.9")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-common", pkgver:"2.0.50-12ubuntu4.9")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-doc", pkgver:"2.0.50-12ubuntu4.9")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-mpm-perchild", pkgver:"2.0.50-12ubuntu4.9")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-mpm-prefork", pkgver:"2.0.50-12ubuntu4.9")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-mpm-threadpool", pkgver:"2.0.50-12ubuntu4.9")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-mpm-worker", pkgver:"2.0.50-12ubuntu4.9")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-prefork-dev", pkgver:"2.0.50-12ubuntu4.9")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-threaded-dev", pkgver:"2.0.50-12ubuntu4.9")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"libapr0", pkgver:"2.0.50-12ubuntu4.9")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"libapr0-dev", pkgver:"2.0.50-12ubuntu4.9")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"apache2", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"apache2-common", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"apache2-doc", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"apache2-mpm-perchild", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"apache2-mpm-prefork", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"apache2-mpm-threadpool", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"apache2-mpm-worker", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"apache2-prefork-dev", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"apache2-threaded-dev", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"apache2-utils", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"libapr0", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"libapr0-dev", pkgver:"2.0.53-5ubuntu5.4")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"apache2", pkgver:"2.0.54-5ubuntu3")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"apache2-common", pkgver:"2.0.54-5ubuntu3")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"apache2-doc", pkgver:"2.0.54-5ubuntu3")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"apache2-mpm-perchild", pkgver:"2.0.54-5ubuntu3")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"apache2-mpm-prefork", pkgver:"2.0.54-5ubuntu3")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"apache2-mpm-threadpool", pkgver:"2.0.54-5ubuntu3")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"apache2-mpm-worker", pkgver:"2.0.54-5ubuntu3")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"apache2-prefork-dev", pkgver:"2.0.54-5ubuntu3")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"apache2-threaded-dev", pkgver:"2.0.54-5ubuntu3")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"apache2-utils", pkgver:"2.0.54-5ubuntu3")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"libapr0", pkgver:"2.0.54-5ubuntu3")) flag++;
if (ubuntu_check(osver:"5.10", pkgname:"libapr0-dev", pkgver:"2.0.54-5ubuntu3")) 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, "apache2 / apache2-common / apache2-doc / apache2-mpm-perchild / etc");
}