Fedora 8 : libxml2-2.6.31-1.fc8 (2008-0462)

2008-01-14T00:00:00
ID FEDORA_2008-0462.NASL
Type nessus
Reporter Tenable
Modified 2015-10-21T00:00:00

Description

This release fixes a potential Denial of Service attack on services using libxml2 to parse user provided XML. All users are invited to upgrade. Fixes CVE-2007-6284

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora 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 Fedora Security Advisory 2008-0462.
#

include("compat.inc");

if (description)
{
  script_id(29940);
  script_version ("$Revision: 1.13 $");
  script_cvs_date("$Date: 2015/10/21 22:04:03 $");

  script_cve_id("CVE-2007-6284");
  script_bugtraq_id(27248);
  script_xref(name:"FEDORA", value:"2008-0462");

  script_name(english:"Fedora 8 : libxml2-2.6.31-1.fc8 (2008-0462)");
  script_summary(english:"Checks rpm output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This release fixes a potential Denial of Service attack on services
using libxml2 to parse user provided XML. All users are invited to
upgrade. Fixes CVE-2007-6284

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora 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://bugzilla.redhat.com/show_bug.cgi?id=425927"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2008-January/006732.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?d51b676a"
  );
  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_cvss_temporal_vector("CVSS2#E:ND/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(399);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:libxml2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:libxml2-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:libxml2-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:libxml2-python");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:8");

  script_set_attribute(attribute:"patch_publication_date", value:"2008/01/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2008/01/14");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2008-2015 Tenable Network Security, Inc.");
  script_family(english:"Fedora Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! ereg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 8.x", "Fedora " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) 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, "Fedora", cpu);

flag = 0;
if (rpm_check(release:"FC8", reference:"libxml2-2.6.31-1.fc8")) flag++;
if (rpm_check(release:"FC8", reference:"libxml2-debuginfo-2.6.31-1.fc8")) flag++;
if (rpm_check(release:"FC8", reference:"libxml2-devel-2.6.31-1.fc8")) flag++;
if (rpm_check(release:"FC8", reference:"libxml2-python-2.6.31-1.fc8")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libxml2 / libxml2-debuginfo / libxml2-devel / libxml2-python");
}