An out-of-bounds read/write flaw was discovered in the way QEMU’s Firmware Configuration device emulation processed certain firmware configurations. A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the QEMU process instance or, potentially, execute arbitrary code on the host with privileges of the QEMU process.
(CVE-2016-1714)
After installing this update, shut down all running virtual machines.
Once all virtual machines have shut down, start them again for this update to take effect.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(88483);
script_version("2.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");
script_cve_id("CVE-2016-1714");
script_name(english:"Scientific Linux Security Update : qemu-kvm on SL6.x i386/x86_64 (20160128)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Scientific Linux host is missing one or more security
updates."
);
script_set_attribute(
attribute:"description",
value:
"An out-of-bounds read/write flaw was discovered in the way QEMU's
Firmware Configuration device emulation processed certain firmware
configurations. A privileged (CAP_SYS_RAWIO) guest user could use this
flaw to crash the QEMU process instance or, potentially, execute
arbitrary code on the host with privileges of the QEMU process.
(CVE-2016-1714)
After installing this update, shut down all running virtual machines.
Once all virtual machines have shut down, start them again for this
update to take effect."
);
# https://listserv.fnal.gov/scripts/wa.exe?A2=ind1601&L=scientific-linux-errata&F=&S=&P=13206
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?d0a89774"
);
script_set_attribute(attribute:"solution", value:"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:qemu-guest-agent");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:qemu-img");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:qemu-kvm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:qemu-kvm-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:qemu-kvm-tools");
script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");
script_set_attribute(attribute:"vuln_publication_date", value:"2016/04/07");
script_set_attribute(attribute:"patch_publication_date", value:"2016/01/28");
script_set_attribute(attribute:"plugin_publication_date", value:"2016/01/29");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Scientific Linux Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/RedHat/release", "Host/RedHat/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.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) || "Scientific Linux " >!< release) audit(AUDIT_HOST_NOT, "running Scientific Linux");
os_ver = pregmatch(pattern: "Scientific Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Scientific Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Scientific Linux 6.x", "Scientific Linux " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Scientific Linux", cpu);
flag = 0;
if (rpm_check(release:"SL6", reference:"qemu-guest-agent-0.12.1.2-2.479.el6_7.4")) flag++;
if (rpm_check(release:"SL6", cpu:"x86_64", reference:"qemu-img-0.12.1.2-2.479.el6_7.4")) flag++;
if (rpm_check(release:"SL6", cpu:"x86_64", reference:"qemu-kvm-0.12.1.2-2.479.el6_7.4")) flag++;
if (rpm_check(release:"SL6", reference:"qemu-kvm-debuginfo-0.12.1.2-2.479.el6_7.4")) flag++;
if (rpm_check(release:"SL6", cpu:"x86_64", reference:"qemu-kvm-tools-0.12.1.2-2.479.el6_7.4")) 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, "qemu-guest-agent / qemu-img / qemu-kvm / qemu-kvm-debuginfo / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
fermilab | scientific_linux | qemu-guest-agent | p-cpe:/a:fermilab:scientific_linux:qemu-guest-agent |
fermilab | scientific_linux | qemu-img | p-cpe:/a:fermilab:scientific_linux:qemu-img |
fermilab | scientific_linux | qemu-kvm | p-cpe:/a:fermilab:scientific_linux:qemu-kvm |
fermilab | scientific_linux | qemu-kvm-debuginfo | p-cpe:/a:fermilab:scientific_linux:qemu-kvm-debuginfo |
fermilab | scientific_linux | qemu-kvm-tools | p-cpe:/a:fermilab:scientific_linux:qemu-kvm-tools |
fermilab | scientific_linux | x-cpe:/o:fermilab:scientific_linux |