CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
EPSS
Percentile
71.2%
The remote SUSE Linux SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:2536-1 advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2023:2536-1. The text itself
# is copyright (C) SUSE.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(177439);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/14");
script_cve_id("CVE-2023-1668");
script_xref(name:"SuSE", value:"SUSE-SU-2023:2536-1");
script_name(english:"SUSE SLES15 / openSUSE 15 Security Update : openvswitch3 (SUSE-SU-2023:2536-1)");
script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The remote SUSE Linux SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability
as referenced in the SUSE-SU-2023:2536-1 advisory.
- A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the
datapath flow without the action modifying the IP header. This issue results (for both kernel and
userspace datapath) in installing a datapath flow matching all IP protocols (nw_proto is wildcarded) for
this flow, but with an incorrect action, possibly causing incorrect handling of other IP packets with a !=
0 IP protocol that matches this dp flow. (CVE-2023-1668)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1210054");
script_set_attribute(attribute:"see_also", value:"https://lists.suse.com/pipermail/sle-updates/2023-June/029920.html");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-1668");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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-2023-1668");
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:"2023/04/10");
script_set_attribute(attribute:"patch_publication_date", value:"2023/06/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/06/20");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libopenvswitch-3_1-0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libovn-23_03-0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvswitch3");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvswitch3-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvswitch3-ipsec");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvswitch3-pki");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvswitch3-test");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvswitch3-vtep");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ovn3");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ovn3-central");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ovn3-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ovn3-docker");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ovn3-host");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ovn3-vtep");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python3-ovs3");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"SuSE Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2023 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/SuSE/release", "Host/SuSE/rpm-list");
exit(0);
}
include('rpm.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item("Host/SuSE/release");
if (isnull(os_release) || os_release !~ "^(SLED|SLES|SUSE)") audit(AUDIT_OS_NOT, "SUSE / openSUSE");
var os_ver = pregmatch(pattern: "^(SLE(S|D)(?:_SAP)?\d+|SUSE([\d.]+))", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE / openSUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES15|SLES_SAP15|SUSE15\.5)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES15 / SLES_SAP15 / openSUSE 15', 'SUSE / openSUSE (' + os_ver + ')');
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'SUSE / openSUSE (' + os_ver + ')', cpu);
var service_pack = get_kb_item("Host/SuSE/patchlevel");
if (isnull(service_pack)) service_pack = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES15 SP5", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP15" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP15 SP5", os_ver + " SP" + service_pack);
var pkgs = [
{'reference':'libopenvswitch-3_1-0-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'libovn-23_03-0-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'openvswitch3-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'openvswitch3-devel-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'openvswitch3-ipsec-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'openvswitch3-pki-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'openvswitch3-test-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'openvswitch3-vtep-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'ovn3-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'ovn3-central-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'ovn3-devel-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'ovn3-docker-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'ovn3-host-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'ovn3-vtep-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'python3-ovs3-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.5']},
{'reference':'libopenvswitch-3_1-0-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'libovn-23_03-0-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'openvswitch3-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'openvswitch3-devel-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'openvswitch3-ipsec-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'openvswitch3-pki-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'openvswitch3-test-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'openvswitch3-vtep-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'ovn3-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'ovn3-central-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'ovn3-devel-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'ovn3-docker-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'ovn3-host-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'ovn3-vtep-23.03.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'python3-ovs3-3.1.0-150500.3.3.1', 'sp':'5', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-15.5', 'sle-module-server-applications-release-15.5', 'sles-release-15.5']},
{'reference':'libopenvswitch-3_1-0-3.1.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'libovn-23_03-0-23.03.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'openvswitch3-3.1.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'openvswitch3-devel-3.1.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'openvswitch3-doc-3.1.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'openvswitch3-ipsec-3.1.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'openvswitch3-pki-3.1.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'openvswitch3-test-3.1.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'openvswitch3-vtep-3.1.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'ovn3-23.03.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'ovn3-central-23.03.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'ovn3-devel-23.03.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'ovn3-doc-23.03.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'ovn3-docker-23.03.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'ovn3-host-23.03.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'ovn3-vtep-23.03.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']},
{'reference':'python3-ovs3-3.1.0-150500.3.3.1', 'release':'SUSE15.5', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['openSUSE-release-15.5']}
];
var ltss_caveat_required = FALSE;
var flag = 0;
foreach var package_array ( pkgs ) {
var reference = NULL;
var _release = NULL;
var sp = NULL;
var _cpu = NULL;
var exists_check = NULL;
var rpm_spec_vers_cmp = NULL;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) _release = package_array['release'];
if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
if (reference && _release) {
if (exists_check) {
var check_flag = 0;
foreach var check (exists_check) {
if (!rpm_exists(release:_release, rpm:check)) continue;
check_flag++;
}
if (!check_flag) continue;
}
if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libopenvswitch-3_1-0 / libovn-23_03-0 / openvswitch3 / etc');
}