Ubuntu 4.10 / 5.04 : pcre3, apache2 vulnerabilities (USN-173-2)

2006-01-15T00:00:00
ID UBUNTU_USN-173-2.NASL
Type nessus
Reporter Tenable
Modified 2016-05-27T00:00:00

Description

USN-173-1 fixed a buffer overflow vulnerability in the PCRE library. However, it was determined that this did not suffice to prevent all possible overflows, so another update is necessary.

In addition, it was found that the Ubuntu 4.10 version of Apache 2 contains a static copy of the library code, so this package needs to be updated as well. In Ubuntu 5.04, Apache 2 uses the external library from the libpcre3 package.

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.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-173-2. 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(20581);
  script_version("$Revision: 1.12 $");
  script_cvs_date("$Date: 2016/05/27 14:21:16 $");

  script_cve_id("CVE-2005-2491");
  script_bugtraq_id(14620);
  script_xref(name:"USN", value:"173-2");

  script_name(english:"Ubuntu 4.10 / 5.04 : pcre3, apache2 vulnerabilities (USN-173-2)");
  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:
"USN-173-1 fixed a buffer overflow vulnerability in the PCRE library.
However, it was determined that this did not suffice to prevent all
possible overflows, so another update is necessary.

In addition, it was found that the Ubuntu 4.10 version of Apache 2
contains a static copy of the library code, so this package needs to
be updated as well. In Ubuntu 5.04, Apache 2 uses the external library
from the libpcre3 package.

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:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:ND");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  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:libapr0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libapr0-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpcre3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpcre3-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:pcregrep");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:pgrep");
  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:"patch_publication_date", value:"2005/08/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2006/01/15");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2005-2016 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)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 4.10 / 5.04", "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:"4.10", pkgname:"apache2", pkgver:"2.0.50-12ubuntu4.4")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-common", pkgver:"2.0.50-12ubuntu4.4")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-doc", pkgver:"2.0.50-12ubuntu4.4")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-mpm-perchild", pkgver:"2.0.50-12ubuntu4.4")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-mpm-prefork", pkgver:"2.0.50-12ubuntu4.4")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-mpm-threadpool", pkgver:"2.0.50-12ubuntu4.4")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-mpm-worker", pkgver:"2.0.50-12ubuntu4.4")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-prefork-dev", pkgver:"2.0.50-12ubuntu4.4")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"apache2-threaded-dev", pkgver:"2.0.50-12ubuntu4.4")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"libapr0", pkgver:"2.0.50-12ubuntu4.4")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"libapr0-dev", pkgver:"2.0.50-12ubuntu4.4")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"libpcre3", pkgver:"4.5-1.1ubuntu0.4.10.1")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"libpcre3-dev", pkgver:"4.5-1.1ubuntu0.4.10.1")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"pcregrep", pkgver:"4.5-1.1ubuntu0.4.10.1")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"pgrep", pkgver:"4.5-1.1ubuntu0.4.10.1")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"libpcre3", pkgver:"4.5-1.1ubuntu0.5.04.1")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"libpcre3-dev", pkgver:"4.5-1.1ubuntu0.5.04.1")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"pcregrep", pkgver:"4.5-1.1ubuntu0.5.04.1")) flag++;
if (ubuntu_check(osver:"5.04", pkgname:"pgrep", pkgver:"4.5-1.1ubuntu0.5.04.1")) 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, "apache2 / apache2-common / apache2-doc / apache2-mpm-perchild / etc");
}