Fedora 26 : xen (2017-b7f1197c23)

2017-09-05T00:00:00
ID FEDORA_2017-B7F1197C23.NASL
Type nessus
Reporter Tenable
Modified 2018-02-02T00:00:00

Description

Qemu: usb: ohci: infinite loop due to incorrect return value [CVE-2017-9330] (#1457698) Qemu: nbd: segmentation fault due to client non-negotiation [CVE-2017-9524] (#1460173) Qemu: qemu-nbd: server breaks with SIGPIPE upon client abort [CVE-2017-10664] (#1466466) Qemu: exec: oob access during dma operation [CVE-2017-11334] (#1471640) revised full fix for XSA-226 (regressed 32-bit Dom0 or backend domains)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. 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 FEDORA-2017-b7f1197c23.
#

include("compat.inc");

if (description)
{
  script_id(102938);
  script_version("$Revision: 3.2 $");
  script_cvs_date("$Date: 2018/02/02 14:59:05 $");

  script_cve_id("CVE-2017-10664", "CVE-2017-11334", "CVE-2017-9330", "CVE-2017-9524");
  script_xref(name:"FEDORA", value:"2017-b7f1197c23");

  script_name(english:"Fedora 26 : xen (2017-b7f1197c23)");
  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:
"Qemu: usb: ohci: infinite loop due to incorrect return value
[CVE-2017-9330] (#1457698) Qemu: nbd: segmentation fault due to client
non-negotiation [CVE-2017-9524] (#1460173) Qemu: qemu-nbd: server
breaks with SIGPIPE upon client abort [CVE-2017-10664] (#1466466)
Qemu: exec: oob access during dma operation [CVE-2017-11334]
(#1471640) revised full fix for XSA-226 (regressed 32-bit Dom0 or
backend domains)

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora update system website.
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://bodhi.fedoraproject.org/updates/FEDORA-2017-b7f1197c23"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected xen package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");

  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:26");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/09/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/09/05");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2018 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:"^26([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 26", "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:"FC26", reference:"xen-4.8.1-8.fc26")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "xen");
}