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This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.TENABLE_OT_MOXA_CVE-2020-6989.NASLHistoryAug 02, 2023 - 12:00 a.m.
Moxa PT-7528 and PT-7828 Series Buffer Overflow (CVE-2020-6989)
2023-08-0200:00:00
This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
8
moxa pt-7528
pt-7828
buffer overflow
cve-2020-6989
denial-of-service
web server
remote attackers
arbitrary code
tenable.ot
CVSS2
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.013
Percentile
85.8%
In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, a buffer overflow in the web server allows remote attackers to cause a denial-of-service condition or execute arbitrary code.
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(501567);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/08/03");
script_cve_id("CVE-2020-6989");
script_name(english:"Moxa PT-7528 and PT-7828 Series Buffer Overflow (CVE-2020-6989)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828
series firmware, Version 3.9 or lower, a buffer overflow in the web
server allows remote attackers to cause a denial-of-service condition
or execute arbitrary code.
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.us-cert.gov/ics/advisories/icsa-20-056-03");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
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:U/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:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-6989");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(787);
script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/24");
script_set_attribute(attribute:"patch_publication_date", value:"2020/03/24");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/08/02");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-wv-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-wv-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-wv-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-wv-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-wv-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-wv-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-24tx-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-24tx-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-24tx-wv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-24tx-wv-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-24tx-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-wv-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-wv-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8ssc-16tx-4gsfp-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8ssc-16tx-4gsfp-wv-wv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-24-24_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-24-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-24_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-48-48_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-48-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-48_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-24-24_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-24-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-24_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-48-48_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-48-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-48_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-hv-hv_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-hv_firmware");
script_set_attribute(attribute:"generated_plugin", value:"current");
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/Moxa");
exit(0);
}
include('tenable_ot_cve_funcs.inc');
get_kb_item_or_exit('Tenable.ot/Moxa');
var asset = tenable_ot::assets::get(vendor:'Moxa');
var vuln_cpes = {
"cpe:/o:moxa:pt-7528-24tx-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-24tx-hv-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-24tx-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-24tx-wv-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-24tx-wv-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-hv-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-wv-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-hv-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-wv-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-hv-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-wv-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-hv-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-wv-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-hv-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-wv-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-hv-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-wv-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-hv-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-wv-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-hv-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-wv-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-8ssc-16tx-4gsfp-hv-hv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7528-8ssc-16tx-4gsfp-wv-wv_firmware" :
{"versionEndIncluding" : "4.0", "family" : "PT"},
"cpe:/o:moxa:pt-7828-f-24_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-f-24-24_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-f-24-hv_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-f-48_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-f-48-48_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-f-48-hv_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-f-hv_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-f-hv-hv_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-r-24_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-r-24-24_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-r-24-hv_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-r-48_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-r-48-48_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-r-48-hv_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-r-hv_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"},
"cpe:/o:moxa:pt-7828-r-hv-hv_firmware" :
{"versionEndIncluding" : "3.9", "family" : "PT"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_HOLE);
Related
prion
prion
Buffer overflow
2020-03-24 19:15:00
cvelist
cvelist
CVE-2020-6989
2020-03-24 18:54:19
cve
cve
CVE-2020-6989
2020-03-24 19:15:21
nvd
nvd
CVE-2020-6989
2020-03-24 19:15:21
ics
ics
Moxa PT-7528 and PT-7828 Series Ethernet Switches
2020-02-25 12:00:00
CVSS2
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.013
Percentile
85.8%
Related for TENABLE_OT_MOXA_CVE-2020-6989.NASL