CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.
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(502336);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/07/30");
script_cve_id("CVE-2020-9499");
script_name(english:"Dahua Security Cameras Buffer Copy without Checking Size of Input (CVE-2020-9499)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"Some Dahua products have buffer overflow vulnerabilities. After the
successful login of the legal account, the attacker sends a specific
DDNS test command, which may cause the device to go down.
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.dahuasecurity.com/aboutUs/trustedCenter/details/542");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/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:H/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-2020-9499");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(120);
script_set_attribute(attribute:"vuln_publication_date", value:"2020/04/09");
script_set_attribute(attribute:"patch_publication_date", value:"2020/04/09");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/07/29");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/o:dahuasecurity:ipc-hx2xxx_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:dahuasecurity:ipc-hxxx5x4x_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:dahuasecurity:ipc-hx5842h_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:dahuasecurity:ipc-hx7842h_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:dahuasecurity:sd6al_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:dahuasecurity:sd5a_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:dahuasecurity:sd1a_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:dahuasecurity:ptz1a_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:dahuasecurity:sd50_firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:dahuasecurity:sd52c_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) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("tenable_ot_api_integration.nasl");
script_require_keys("Tenable.ot/DahuaSecurity");
exit(0);
}
include('tenable_ot_cve_funcs.inc');
get_kb_item_or_exit('Tenable.ot/DahuaSecurity');
var asset = tenable_ot::assets::get(vendor:'DahuaSecurity');
var vuln_cpes = {
"cpe:/o:dahuasecurity:ipc-hx2xxx_firmware" :
{"versionEndExcluding" : "2019-12-01", "family" : "DahuaSecurity"},
"cpe:/o:dahuasecurity:ipc-hxxx5x4x_firmware" :
{"versionEndExcluding" : "2019-12-01", "family" : "DahuaSecurity"},
"cpe:/o:dahuasecurity:ipc-hx5842h_firmware" :
{"versionEndExcluding" : "2019-12-01", "family" : "DahuaSecurity"},
"cpe:/o:dahuasecurity:ipc-hx7842h_firmware" :
{"versionEndExcluding" : "2019-12-01", "family" : "DahuaSecurity"},
"cpe:/o:dahuasecurity:sd6alxxx_firmware" :
{"versionEndExcluding" : "2019-12-01", "family" : "DahuaSecurity"},
"cpe:/o:dahuasecurity:sd5axxx_firmware" :
{"versionEndExcluding" : "2019-12-01", "family" : "DahuaSecurity"},
"cpe:/o:dahuasecurity:sd1axxx_firmware" :
{"versionEndExcluding" : "2019-12-01", "family" : "DahuaSecurity"},
"cpe:/o:dahuasecurity:ptz1a_firmware" :
{"versionEndExcluding" : "2019-12-01", "family" : "DahuaSecurity"},
"cpe:/o:dahuasecurity:sd50xxx_firmware" :
{"versionEndExcluding" : "2019-12-01", "family" : "DahuaSecurity"},
"cpe:/o:dahuasecurity:sd52cxxx_firmware" :
{"versionEndExcluding" : "2019-12-01", "family" : "DahuaSecurity"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low