CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
73.9%
Erik Olof Gunnar Andersson discovered that incorrect validation of port settings in the iptables security group driver of Neutron, the OpenStack virtual network service, could result in denial of service in a multi tenant setup.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-4409. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('compat.inc');
if (description)
{
script_id(122957);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/13");
script_cve_id("CVE-2019-9735");
script_xref(name:"DSA", value:"4409");
script_name(english:"Debian DSA-4409-1 : neutron - security update");
script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
script_set_attribute(attribute:"description", value:
"Erik Olof Gunnar Andersson discovered that incorrect validation of
port settings in the iptables security group driver of Neutron, the
OpenStack virtual network service, could result in denial of service
in a multi tenant setup.");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/neutron");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/stretch/neutron");
script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2019/dsa-4409");
script_set_attribute(attribute:"solution", value:
"Upgrade the neutron packages.
For the stable distribution (stretch), this problem has been fixed in
version 2:9.1.1-3+deb9u1.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-9735");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/03/13");
script_set_attribute(attribute:"patch_publication_date", value:"2019/03/18");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/20");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:neutron");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Debian Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
exit(0);
}
include("audit.inc");
include("debian_package.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (deb_check(release:"9.0", prefix:"neutron-common", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-dhcp-agent", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-l3-agent", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-linuxbridge-agent", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-macvtap-agent", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-metadata-agent", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-metering-agent", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-openvswitch-agent", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-plugin-linuxbridge-agent", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-plugin-nec-agent", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-plugin-openvswitch-agent", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-server", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"neutron-sriov-agent", reference:"2:9.1.1-3+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"python-neutron", reference:"2:9.1.1-3+deb9u1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
else security_warning(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
73.9%