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nessusThis script is Copyright (C) 2015-2021 Tenable Network Security, Inc.FEDORA_2015-15944.NASL
HistorySep 28, 2015 - 12:00 a.m.

Fedora 22 : xen-4.5.1-8.fc22 (2015-15944)

2015-09-2800:00:00
This script is Copyright (C) 2015-2021 Tenable Network Security, Inc.
www.tenable.com
17

libxl fails to honour readonly flag on disks with qemu-xen [XSA-142 (possible fix)] ---- Use after free in QEMU/Xen block unplug protocol [XSA-139, CVE-2015-5166] QEMU leak of uninitialized heap memory in rtl8139 device model [XSA-140, CVE-2015-5165]

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.

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory 2015-15944.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(86162);
  script_version("2.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2015-5165", "CVE-2015-5166", "CVE-2015-7311");
  script_xref(name:"FEDORA", value:"2015-15944");

  script_name(english:"Fedora 22 : xen-4.5.1-8.fc22 (2015-15944)");
  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:
"libxl fails to honour readonly flag on disks with qemu-xen [XSA-142
(possible fix)] ---- Use after free in QEMU/Xen block unplug protocol
[XSA-139, CVE-2015-5166] QEMU leak of uninitialized heap memory in
rtl8139 device model [XSA-140, CVE-2015-5165]

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=1248760"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=1248997"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?4aab1a85"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected xen package.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:xen");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:22");

  script_set_attribute(attribute:"patch_publication_date", value:"2015/09/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/09/28");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2015-2021 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:"^22([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 22.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:"FC22", reference:"xen-4.5.1-8.fc22")) 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, "xen");
}