The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn’t require that the A-MSDU flag in the plaintext QoS header field is authenticated.
Against devices that support receiving non-SSP A-MSDU frames (which is mandatory as part of 802.11n), an adversary can abuse this to inject arbitrary network packets.
This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(501043);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/19");
script_cve_id("CVE-2020-24588");
script_name(english:"Siemens SCALANCE FragAttacks (CVE-2020-24588)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2,
and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that the
A-MSDU flag in the plaintext QoS header field is authenticated.
Against devices that support receiving non-SSP A-MSDU frames (which is
mandatory as part of 802.11n), an adversary can abuse this to inject
arbitrary network packets.
This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
script_set_attribute(attribute:"see_also", value:"https://www.fragattacks.com");
script_set_attribute(attribute:"see_also", value:"https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md");
script_set_attribute(attribute:"see_also", value:"http://www.openwall.com/lists/oss-security/2021/05/11/12");
script_set_attribute(attribute:"see_also", value:"https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html");
script_set_attribute(attribute:"see_also", value:"https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html");
script_set_attribute(attribute:"see_also", value:"https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf");
# https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1eb2468b");
# https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00473.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?be0512b5");
# https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?839210e5");
script_set_attribute(attribute:"see_also", value:"https://lists.debian.org/debian-lts-announce/2023/04/msg00002.html");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:A/AC:M/Au:N/C:N/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-24588");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_cwe_id(327);
script_set_attribute(attribute:"vuln_publication_date", value:"2021/05/11");
script_set_attribute(attribute:"patch_publication_date", value:"2021/05/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/04/11");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w1748-1_firmware:-::~~~~m12~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w1750d_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w1788-1_firmware:-::~~~~m12~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w1788-2_firmware:-::~~~~eec_m12~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w1788-2_firmware:-::~~~~m12~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w1788-2ia_firmware:-::~~~~m12~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w721-1_firmware:-::~~~~rj45~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w722-1_firmware:-::~~~~rj45~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w734-1_firmware:-::~~~~rj45~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w738-1_firmware:-::~~~~m12~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w748-1_firmware:-::~~~~m12~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w748-1_firmware:-::~~~~rj45~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w761-1_firmware:-::~~~~rj45~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w774-1_firmware:-::~~~~m12_eec~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w774-1_firmware:-::~~~~rj45~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w778-1_firmware:-::~~~~m12_eec~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w778-1_firmware:-::~~~~m12~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w786-1_firmware:-::~~~~rj45~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w786-2_firmware:-::~~~~rj45~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w786-2_firmware:-::~~~~sfp~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w786-2ia_firmware:-::~~~~rj45~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w788-1_firmware:-::~~~~m12~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w788-1_firmware:-::~~~~rj45~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w788-2_firmware:-::~~~~m12_eec~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w788-2_firmware:-::~~~~m12~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w788-2_firmware:-::~~~~rj45~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam763-1_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam766-1_6ghz_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam766-1_6ghz_firmware:-::~~~~eec~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam766-1_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam766-1_firmware:-::~~~~eec~");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wum763-1_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wum766-1_6ghz_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wum766-1_firmware:-");
script_set_attribute(attribute:"generated_plugin", value:"former");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Tenable.ot");
script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("tenable_ot_api_integration.nasl");
script_require_keys("Tenable.ot/Siemens");
exit(0);
}
include('tenable_ot_cve_funcs.inc');
get_kb_item_or_exit('Tenable.ot/Siemens');
var asset = tenable_ot::assets::get(vendor:'Siemens');
var vuln_models = {
"SCALANCE W1748-1 M12" :
{"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW"},
"SCALANCE W1750D" :
{"versionEndExcluding" : "8.7.1.3", "family" : "SCALANCEW"},
"SCALANCE W1788-1 M12" :
{"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW"},
"SCALANCE W1788-2 EEC M12" :
{"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW"},
"SCALANCE W1788-2 M12" :
{"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW"},
"SCALANCE W1788-2IA M12" :
{"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW"},
"SCALANCE W721-1 RJ45" :
{"family" : "SCALANCEW"},
"SCALANCE W722-1 RJ45" :
{"family" : "SCALANCEW"},
"SCALANCE W734-1 RJ45" :
{"family" : "SCALANCEW"},
"SCALANCE W738-1 M12" :
{"family" : "SCALANCEW"},
"SCALANCE W748-1 M12" :
{"family" : "SCALANCEW"},
"SCALANCE W761-1 RJ45" :
{"family" : "SCALANCEW"},
"SCALANCE W774-1 M12 EEC" :
{"family" : "SCALANCEW"},
"SCALANCE W774-1 RJ45" :
{"family" : "SCALANCEW"},
"SCALANCE W778-1 M12" :
{"family" : "SCALANCEW"},
"SCALANCE W778-1 M12 EEC" :
{"family" : "SCALANCEW"},
"SCALANCE W786-1 RJ45" :
{"family" : "SCALANCEW"},
"SCALANCE W786-2 RJ45" :
{"family" : "SCALANCEW"},
"SCALANCE W786-2 SFP" :
{"family" : "SCALANCEW"},
"SCALANCE W786-2IA RJ45" :
{"family" : "SCALANCEW"},
"SCALANCE W788-1 M12" :
{"family" : "SCALANCEW"},
"SCALANCE W788-1 RJ45" :
{"family" : "SCALANCEW"},
"SCALANCE W788-2 M12" :
{"family" : "SCALANCEW"},
"SCALANCE W788-2 M12 EEC" :
{"family" : "SCALANCEW"},
"SCALANCE W788-2 RJ45" :
{"family" : "SCALANCEW"},
"SCALANCE WAM763-1" :
{"versionEndExcluding" : "1.2", "family" : "SCALANCEW"},
"SCALANCE WAM766-1" :
{"versionEndExcluding" : "1.2", "family" : "SCALANCEW"},
"SCALANCE WAM766-1 EEC" :
{"versionEndExcluding" : "1.2", "family" : "SCALANCEW"},
"SCALANCE WAM766-1 6GHZ" :
{"versionEndExcluding" : "1.2", "family" : "SCALANCEW"},
"SCALANCE WUM763-1" :
{"versionEndExcluding" : "1.2", "family" : "SCALANCEW"},
"SCALANCE WUM766-1" :
{"versionEndExcluding" : "1.2", "family" : "SCALANCEW"},
"SCALANCE WUM766-1 6GHZ" :
{"versionEndExcluding" : "1.2", "family" : "SCALANCEW"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_models, severity:SECURITY_NOTE);
Vendor | Product | Version | CPE |
---|---|---|---|
siemens | scalance_w1748-1_firmware | - | cpe:/o:siemens:scalance_w1748-1_firmware:-::~~~~m12~ |
siemens | scalance_w1750d_firmware | - | cpe:/o:siemens:scalance_w1750d_firmware:- |
siemens | scalance_w1788-1_firmware | - | cpe:/o:siemens:scalance_w1788-1_firmware:-::~~~~m12~ |
siemens | scalance_wam766-1_6ghz_firmware | - | cpe:/o:siemens:scalance_wam766-1_6ghz_firmware:- |
siemens | scalance_wam766-1_6ghz_firmware | - | cpe:/o:siemens:scalance_wam766-1_6ghz_firmware:-::~~~~eec~ |
siemens | scalance_wam766-1_firmware | - | cpe:/o:siemens:scalance_wam766-1_firmware:- |
siemens | scalance_wam766-1_firmware | - | cpe:/o:siemens:scalance_wam766-1_firmware:-::~~~~eec~ |
siemens | scalance_wum763-1_firmware | - | cpe:/o:siemens:scalance_wum763-1_firmware:- |
siemens | scalance_wum766-1_6ghz_firmware | - | cpe:/o:siemens:scalance_wum766-1_6ghz_firmware:- |
siemens | scalance_wum766-1_firmware | - | cpe:/o:siemens:scalance_wum766-1_firmware:- |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24588
www.nessus.org/u?1eb2468b
www.nessus.org/u?839210e5
www.nessus.org/u?be0512b5
www.openwall.com/lists/oss-security/2021/05/11/12
cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf
github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
lists.debian.org/debian-lts-announce/2021/06/msg00019.html
lists.debian.org/debian-lts-announce/2021/06/msg00020.html
lists.debian.org/debian-lts-announce/2023/04/msg00002.html
www.fragattacks.com