Excessive checking in compatibility mode hypercall argument translation, Insufficient bounding of βREP MOVSβ to MMIO emulated inside the hypervisor, fix segfaults and failures in xl migrate
βdebug Guest effectable page reference leak in MMU_MACHPHYS_UPDATE handling Insufficient restrictions on certain MMU update hypercalls, Missing privilege level checks in x86 emulation of far branches, Add fix for CVE-2014-0150 to qemu-dm, though it probably isnβt exploitable from xen
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 2014-15951.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(79902);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2014-0150", "CVE-2014-8594", "CVE-2014-8595", "CVE-2014-9030");
script_bugtraq_id(66821, 71149, 71151, 71207);
script_xref(name:"FEDORA", value:"2014-15951");
script_name(english:"Fedora 21 : xen-4.4.1-9.fc21 (2014-15951)");
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:
"Excessive checking in compatibility mode hypercall argument
translation, Insufficient bounding of 'REP MOVS' to MMIO emulated
inside the hypervisor, fix segfaults and failures in xl migrate
--debug Guest effectable page reference leak in MMU_MACHPHYS_UPDATE
handling Insufficient restrictions on certain MMU update hypercalls,
Missing privilege level checks in x86 emulation of far branches, Add
fix for CVE-2014-0150 to qemu-dm, though it probably isn't exploitable
from xen
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=1078846"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.redhat.com/show_bug.cgi?id=1160643"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.redhat.com/show_bug.cgi?id=1160664"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.redhat.com/show_bug.cgi?id=1166913"
);
# https://lists.fedoraproject.org/pipermail/package-announce/2014-December/145761.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?16c89703"
);
script_set_attribute(attribute:"solution", value:"Update the affected xen package.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C");
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_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:21");
script_set_attribute(attribute:"patch_publication_date", value:"2014/11/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2014/12/15");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2014-2021 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:"^21([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 21.x", "Fedora " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);
flag = 0;
if (rpm_check(release:"FC21", reference:"xen-4.4.1-9.fc21")) 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");
}
Vendor | Product | Version | CPE |
---|---|---|---|
fedoraproject | fedora | xen | p-cpe:/a:fedoraproject:fedora:xen |
fedoraproject | fedora | 21 | cpe:/o:fedoraproject:fedora:21 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0150
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8594
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8595
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9030
www.nessus.org/u?16c89703
bugzilla.redhat.com/show_bug.cgi?id=1078846
bugzilla.redhat.com/show_bug.cgi?id=1160643
bugzilla.redhat.com/show_bug.cgi?id=1160664
bugzilla.redhat.com/show_bug.cgi?id=1166913