The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2020:14538-1 advisory.
An issue was discovered in SaltStack Salt through 3002. Sending crafted web requests to the Salt API, with the SSH client enabled, can result in shell injection. (CVE-2020-16846)
The TLS module within SaltStack Salt through 3002 creates certificates with weak file permissions.
(CVE-2020-17490)
In SaltStack Salt through 3002, salt-netapi improperly validates eauth credentials and tokens. A user can bypass authentication and invoke Salt SSH. (CVE-2020-25592)
Note that Nessus has not tested for this issue but has instead relied only on the applicationβs self-reported version number.
#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2020:14538-1. The text itself
# is copyright (C) SUSE.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(150580);
script_version("1.7");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/25");
script_cve_id("CVE-2020-16846", "CVE-2020-17490", "CVE-2020-25592");
script_xref(name:"SuSE", value:"SUSE-SU-2020:14538-1");
script_xref(name:"IAVA", value:"2020-A-0195-S");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/05/03");
script_xref(name:"CEA-ID", value:"CEA-2020-0134");
script_name(english:"SUSE SLES11 Security Update : SUSE Manager Client Tools (SUSE-SU-2020:14538-1)");
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 SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in
the SUSE-SU-2020:14538-1 advisory.
- An issue was discovered in SaltStack Salt through 3002. Sending crafted web requests to the Salt API, with
the SSH client enabled, can result in shell injection. (CVE-2020-16846)
- The TLS module within SaltStack Salt through 3002 creates certificates with weak file permissions.
(CVE-2020-17490)
- In SaltStack Salt through 3002, salt-netapi improperly validates eauth credentials and tokens. A user can
bypass authentication and invoke Salt SSH. (CVE-2020-25592)
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/1167907");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1169664");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1176978");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1178319");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1178361");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1178362");
# https://lists.suse.com/pipermail/sle-security-updates/2020-November/007715.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?7abbc279");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-16846");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-17490");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25592");
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:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-25592");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'SaltStack Salt REST API Arbitrary Command Execution');
script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/05/07");
script_set_attribute(attribute:"patch_publication_date", value:"2020/11/06");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/06/10");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:koan");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:mgr-daemon");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python2-spacewalk-check");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python2-spacewalk-client-setup");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python2-spacewalk-client-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:salt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:salt-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:salt-minion");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:spacecmd");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:spacewalk-check");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:spacewalk-client-setup");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:spacewalk-client-tools");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");
script_set_attribute(attribute:"stig_severity", value:"II");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"SuSE Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2021-2023 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('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/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES11', 'SUSE ' + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'SUSE ' + os_ver, cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES11" && (! preg(pattern:"^(3|4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP3/4", os_ver + " SP" + sp);
pkgs = [
{'reference':'koan-2.2.2-0.68.12', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'mgr-daemon-4.1.3-5.20', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'python2-spacewalk-check-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'python2-spacewalk-client-setup-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'python2-spacewalk-client-tools-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'salt-2016.11.10-43.63', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'salt-doc-2016.11.10-43.63', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'salt-minion-2016.11.10-43.63', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'spacecmd-4.1.8-18.72', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'spacewalk-check-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'spacewalk-client-setup-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'spacewalk-client-tools-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.3'},
{'reference':'koan-2.2.2-0.68.12', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'mgr-daemon-4.1.3-5.20', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'python2-spacewalk-check-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'python2-spacewalk-client-setup-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'python2-spacewalk-client-tools-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'salt-2016.11.10-43.63', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'salt-doc-2016.11.10-43.63', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'salt-minion-2016.11.10-43.63', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'spacecmd-4.1.8-18.72', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'spacewalk-check-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'spacewalk-client-setup-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'spacewalk-client-tools-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
{'reference':'koan-2.2.2-0.68.12', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'mgr-daemon-4.1.3-5.20', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'python2-spacewalk-check-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'python2-spacewalk-client-setup-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'python2-spacewalk-client-tools-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'salt-2016.11.10-43.63', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'salt-doc-2016.11.10-43.63', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'salt-minion-2016.11.10-43.63', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'spacecmd-4.1.8-18.72', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'spacewalk-check-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'spacewalk-client-setup-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'spacewalk-client-tools-4.1.7-27.38', 'sp':'3', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.3'},
{'reference':'koan-2.2.2-0.68.12', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
{'reference':'mgr-daemon-4.1.3-5.20', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
{'reference':'python2-spacewalk-check-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
{'reference':'python2-spacewalk-client-setup-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
{'reference':'python2-spacewalk-client-tools-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
{'reference':'salt-2016.11.10-43.63', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
{'reference':'salt-doc-2016.11.10-43.63', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
{'reference':'salt-minion-2016.11.10-43.63', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
{'reference':'spacecmd-4.1.8-18.72', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
{'reference':'spacewalk-check-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
{'reference':'spacewalk-client-setup-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
{'reference':'spacewalk-client-tools-4.1.7-27.38', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'}
];
flag = 0;
foreach package_array ( pkgs ) {
reference = NULL;
release = NULL;
sp = NULL;
cpu = NULL;
exists_check = NULL;
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 && exists_check) {
if (rpm_exists(release:release, rpm:exists_check) && rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
}
else if (reference && release) {
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
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'koan / mgr-daemon / python2-spacewalk-check / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | koan | p-cpe:/a:novell:suse_linux:koan |
novell | suse_linux | mgr-daemon | p-cpe:/a:novell:suse_linux:mgr-daemon |
novell | suse_linux | python2-spacewalk-check | p-cpe:/a:novell:suse_linux:python2-spacewalk-check |
novell | suse_linux | python2-spacewalk-client-setup | p-cpe:/a:novell:suse_linux:python2-spacewalk-client-setup |
novell | suse_linux | python2-spacewalk-client-tools | p-cpe:/a:novell:suse_linux:python2-spacewalk-client-tools |
novell | suse_linux | salt | p-cpe:/a:novell:suse_linux:salt |
novell | suse_linux | salt-doc | p-cpe:/a:novell:suse_linux:salt-doc |
novell | suse_linux | salt-minion | p-cpe:/a:novell:suse_linux:salt-minion |
novell | suse_linux | spacecmd | p-cpe:/a:novell:suse_linux:spacecmd |
novell | suse_linux | spacewalk-check | p-cpe:/a:novell:suse_linux:spacewalk-check |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16846
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17490
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25592
www.nessus.org/u?7abbc279
bugzilla.suse.com/1167907
bugzilla.suse.com/1169664
bugzilla.suse.com/1176978
bugzilla.suse.com/1178319
bugzilla.suse.com/1178361
bugzilla.suse.com/1178362
www.suse.com/security/cve/CVE-2020-16846
www.suse.com/security/cve/CVE-2020-17490
www.suse.com/security/cve/CVE-2020-25592