CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
25.1%
Security Fix(es) :
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#
include('compat.inc');
if (description)
{
script_id(119193);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/07/18");
script_cve_id("CVE-2018-6764");
script_name(english:"Scientific Linux Security Update : libvirt on SL7.x x86_64 (20181030)");
script_set_attribute(attribute:"synopsis", value:
"The remote Scientific Linux host is missing one or more security
updates.");
script_set_attribute(attribute:"description", value:
"Security Fix(es) :
- libvirt: guest could inject executable code via
libnss_dns.so loaded by libvirt_lxc before init
(CVE-2018-6764)");
# https://listserv.fnal.gov/scripts/wa.exe?A2=ind1811&L=scientific-linux-errata&F=&S=&P=8179
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?5d8215d0");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-6764");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/02/23");
script_set_attribute(attribute:"patch_publication_date", value:"2018/10/30");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/11/27");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-admin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-bash-completion");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-config-network");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-config-nwfilter");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-interface");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-lxc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-network");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-nodedev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-nwfilter");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-qemu");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-secret");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-storage");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-storage-core");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-storage-disk");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-storage-gluster");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-storage-iscsi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-storage-logical");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-storage-mpath");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-storage-rbd");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-driver-storage-scsi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-kvm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-daemon-lxc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-docs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-lock-sanlock");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-login-shell");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:libvirt-nss");
script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Scientific Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2018-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
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:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Scientific Linux 7.x", "Scientific Linux " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Scientific Linux", cpu);
if ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu);
flag = 0;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-admin-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-bash-completion-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-client-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-config-network-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-config-nwfilter-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-interface-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-lxc-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-network-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-nodedev-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-nwfilter-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-qemu-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-secret-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-core-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-disk-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-gluster-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-iscsi-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-logical-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-mpath-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-rbd-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-scsi-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-kvm-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-daemon-lxc-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-debuginfo-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-devel-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-docs-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-libs-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-lock-sanlock-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-login-shell-4.5.0-10.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"libvirt-nss-4.5.0-10.el7")) 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, "libvirt / libvirt-admin / libvirt-bash-completion / libvirt-client / etc");
}
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
25.1%