Fedora 13 : fail2ban-0.8.4-27.fc13 (2011-5151)

2011-04-26T00:00:00
ID FEDORA_2011-5151.NASL
Type nessus
Reporter Tenable
Modified 2018-07-12T00:00:00

Description

fail2ban used predictable /tmp files which a local user can allocate before fail2ban does. All tmp files have been moved to /var/lib/fail2ban. This also helps with selinux policies.

Another security related fix is that fail2ban defaulted to gamin which conflicts with selinux, so users had to typically choose between fail2ban and selinux. fail2ban now defaults to inotify (thanks to Jonathan Underwood).

There are also some minor bugs fixed :

  • tmpfiles.d support for tmpfs /var/run

    • example mail domains changed to normalized example.com.

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 2011-5151.
#

include("compat.inc");

if (description)
{
  script_id(53552);
  script_version("1.7");
  script_cvs_date("Date: 2018/07/12 15:01:52");

  script_xref(name:"FEDORA", value:"2011-5151");

  script_name(english:"Fedora 13 : fail2ban-0.8.4-27.fc13 (2011-5151)");
  script_summary(english:"Checks rpm output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"fail2ban used predictable /tmp files which a local user can allocate
before fail2ban does. All tmp files have been moved to
/var/lib/fail2ban. This also helps with selinux policies.

Another security related fix is that fail2ban defaulted to gamin which
conflicts with selinux, so users had to typically choose between
fail2ban and selinux. fail2ban now defaults to inotify (thanks to
Jonathan Underwood).

There are also some minor bugs fixed :

  - tmpfiles.d support for tmpfs /var/run

    - example mail domains changed to normalized
      example.com.

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=551895"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=552947"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=656584"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=658849"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=669965"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=669966"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2011-April/058872.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?45800e4f"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected fail2ban package."
  );
  script_set_attribute(attribute:"risk_factor", value:"High");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:fail2ban");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:13");

  script_set_attribute(attribute:"patch_publication_date", value:"2011/04/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/04/26");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2011-2018 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:"^13([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 13.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:"FC13", reference:"fail2ban-0.8.4-27.fc13")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "fail2ban");
}