5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
7.4 High
AI Score
Confidence
Low
0.0005 Low
EPSS
Percentile
17.1%
The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1271-2 advisory.
- CVE-2024-28834: Fixed side-channel in the deterministic ECDSA (bsc#1221746)
- CVE-2024-28835: Fixed denial of service during certificate chain verification (bsc#1221747)
Other fixes:
- jitterentropy: Release the memory of the entropy collector when using jitterentropy with phtreads as there is also a pre-intitization done in the main thread (bsc#1221242)
Tenable has extracted the preceding description block directly from the SUSE security advisory.
Note that Nessus has not tested for these issues 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-2024:1271-2. The text itself
# is copyright (C) SUSE.
##
include('compat.inc');
if (description)
{
script_id(200075);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/04");
script_cve_id("CVE-2024-28834", "CVE-2024-28835");
script_xref(name:"SuSE", value:"SUSE-SU-2024:1271-2");
script_name(english:"SUSE SLES15 Security Update : gnutls (SUSE-SU-2024:1271-2)");
script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as
referenced in the SUSE-SU-2024:1271-2 advisory.
- CVE-2024-28834: Fixed side-channel in the deterministic ECDSA (bsc#1221746)
- CVE-2024-28835: Fixed denial of service during certificate chain verification (bsc#1221747)
Other fixes:
- jitterentropy: Release the memory of the entropy collector when
using jitterentropy with phtreads as there is also a
pre-intitization done in the main thread (bsc#1221242)
Tenable has extracted the preceding description block directly from the SUSE security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1221242");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1221746");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1221747");
script_set_attribute(attribute:"see_also", value:"https://lists.suse.com/pipermail/sle-updates/2024-June/035473.html");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-28834");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-28835");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:S/C:C/I:N/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-28834");
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:"2024/03/20");
script_set_attribute(attribute:"patch_publication_date", value:"2024/06/03");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/06/04");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:gnutls");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libgnutls-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libgnutls30");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libgnutls30-32bit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libgnutls30-hmac");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libgnutls30-hmac-32bit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libgnutlsxx-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libgnutlsxx28");
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) 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/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)") audit(AUDIT_OS_NOT, "SUSE");
var os_ver = pregmatch(pattern: "^(SLE(S|D)(?:_SAP)?\d+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES15|SLES_SAP15)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES15 / SLES_SAP15', 'SUSE (' + os_ver + ')');
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'SUSE (' + 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:"^(4)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES15 SP4", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP15" && (! preg(pattern:"^(4)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP15 SP4", os_ver + " SP" + service_pack);
var pkgs = [
{'reference':'gnutls-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
{'reference':'libgnutls-devel-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
{'reference':'libgnutls30-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
{'reference':'libgnutls30-32bit-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
{'reference':'libgnutls30-hmac-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
{'reference':'libgnutls30-hmac-32bit-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
{'reference':'libgnutlsxx-devel-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
{'reference':'libgnutlsxx28-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-15.4']},
{'reference':'gnutls-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4']},
{'reference':'gnutls-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4', 'SUSE-Manager-Proxy-release-4.3']},
{'reference':'libgnutls-devel-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4']},
{'reference':'libgnutls-devel-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4', 'SUSE-Manager-Proxy-release-4.3']},
{'reference':'libgnutls30-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4']},
{'reference':'libgnutls30-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4', 'SUSE-Manager-Proxy-release-4.3']},
{'reference':'libgnutls30-32bit-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4', 'SUSE-Manager-Proxy-release-4.3', 'SUSE-Manager-Server-release-4.3']},
{'reference':'libgnutls30-hmac-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4']},
{'reference':'libgnutls30-hmac-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4', 'SUSE-Manager-Proxy-release-4.3']},
{'reference':'libgnutls30-hmac-32bit-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4', 'SUSE-Manager-Proxy-release-4.3', 'SUSE-Manager-Server-release-4.3']},
{'reference':'libgnutlsxx-devel-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4']},
{'reference':'libgnutlsxx-devel-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4', 'SUSE-Manager-Proxy-release-4.3']},
{'reference':'libgnutlsxx28-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4']},
{'reference':'libgnutlsxx28-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-ESPOS-release-4', 'SUSE-Manager-Proxy-release-4.3']},
{'reference':'gnutls-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'gnutls-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'libgnutls-devel-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'libgnutls-devel-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'libgnutls30-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'libgnutls30-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'libgnutls30-32bit-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4', 'sles-ltss-release-15.4']},
{'reference':'libgnutls30-hmac-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'libgnutls30-hmac-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'libgnutls30-hmac-32bit-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4', 'sles-ltss-release-15.4']},
{'reference':'libgnutlsxx-devel-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'libgnutlsxx-devel-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'libgnutlsxx28-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'aarch64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'libgnutlsxx28-3.7.3-150400.4.44.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-LTSS-release-15.4']},
{'reference':'gnutls-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SUSE-Manager-Server-release-4.3']},
{'reference':'libgnutls-devel-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SUSE-Manager-Server-release-4.3']},
{'reference':'libgnutls30-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SUSE-Manager-Server-release-4.3']},
{'reference':'libgnutls30-hmac-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SUSE-Manager-Server-release-4.3']},
{'reference':'libgnutlsxx-devel-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SUSE-Manager-Server-release-4.3']},
{'reference':'libgnutlsxx28-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SUSE-Manager-Server-release-4.3']},
{'reference':'gnutls-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.4']},
{'reference':'libgnutls-devel-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.4']},
{'reference':'libgnutls30-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.4']},
{'reference':'libgnutls30-hmac-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.4']},
{'reference':'libgnutlsxx-devel-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.4']},
{'reference':'libgnutlsxx28-3.7.3-150400.4.44.1', 'sp':'4', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-ltss-release-15.4']}
];
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;
if ('ltss' >< tolower(check)) ltss_caveat_required = TRUE;
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)
{
var ltss_plugin_caveat = NULL;
if(ltss_caveat_required) ltss_plugin_caveat = '\n' +
'NOTE: This vulnerability check contains fixes that apply to\n' +
'packages only available in SUSE Enterprise Linux Server LTSS\n' +
'repositories. Access to these package security updates require\n' +
'a paid SUSE LTSS subscription.\n';
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : rpm_report_get() + ltss_plugin_caveat
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'gnutls / libgnutls-devel / libgnutls30 / libgnutls30-32bit / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | libgnutls30-hmac | p-cpe:/a:novell:suse_linux:libgnutls30-hmac |
novell | suse_linux | libgnutls30-hmac-32bit | p-cpe:/a:novell:suse_linux:libgnutls30-hmac-32bit |
novell | suse_linux | libgnutls30-32bit | p-cpe:/a:novell:suse_linux:libgnutls30-32bit |
novell | suse_linux | libgnutls30 | p-cpe:/a:novell:suse_linux:libgnutls30 |
novell | suse_linux | libgnutlsxx-devel | p-cpe:/a:novell:suse_linux:libgnutlsxx-devel |
novell | suse_linux | 15 | cpe:/o:novell:suse_linux:15 |
novell | suse_linux | libgnutls-devel | p-cpe:/a:novell:suse_linux:libgnutls-devel |
novell | suse_linux | gnutls | p-cpe:/a:novell:suse_linux:gnutls |
novell | suse_linux | libgnutlsxx28 | p-cpe:/a:novell:suse_linux:libgnutlsxx28 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-28834
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-28835
bugzilla.suse.com/1221242
bugzilla.suse.com/1221746
bugzilla.suse.com/1221747
lists.suse.com/pipermail/sle-updates/2024-June/035473.html
www.suse.com/security/cve/CVE-2024-28834
www.suse.com/security/cve/CVE-2024-28835
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
7.4 High
AI Score
Confidence
Low
0.0005 Low
EPSS
Percentile
17.1%