CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
56.5%
An invalid pointer dereference on read can be triggered when an application tries to check a malformed DSA public key by the EVP_PKEY_public_check() function. This will most likely lead to an application crash. This function can be called on public keys supplied from untrusted sources which could allow an attacker to cause a denial of service attack. The TLS implementation in OpenSSL does not call this function but applications might call the function if there are additional security requirements imposed by standards such as FIPS 140-3.
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(501874);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/15");
script_cve_id("CVE-2023-0217");
script_name(english:"Siemens SCALANCE OpenSSL NULL Pointer Dereference (CVE-2023-0217)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"An invalid pointer dereference on read can be triggered when an
application tries to check a malformed DSA public key by the
EVP_PKEY_public_check() function. This will most likely lead to an
application crash. This function can be called on public keys supplied
from untrusted sources which could allow an attacker to cause a denial
of service attack. The TLS implementation in OpenSSL does not call
this function but applications might call the function if there are
additional security requirements imposed by standards such as FIPS
140-3.
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.openssl.org/news/secadv/20230207.txt");
# https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=23985bac83fd50c8e29431009302b5442f985096
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?4fd9326d");
script_set_attribute(attribute:"see_also", value:"https://cert-portal.siemens.com/productcert/pdf/ssa-699386.pdf");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
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:N/I:N/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-2023-0217");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(476);
script_set_attribute(attribute:"vuln_publication_date", value:"2023/02/08");
script_set_attribute(attribute:"patch_publication_date", value:"2023/02/08");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/01/11");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xb205-3_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xb205-3ld_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xb208_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xb213-3_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xb213-3ld_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xb216_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc206-2_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc206-2g_poe_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc206-2g_poe_eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc206-2sfp_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc206-2sfp_eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc206-2sfp_g_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc206-2sfp_g_eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc208_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc208eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc208g_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc208g_eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc208g_poe_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc216_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc216_3g_poe_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc216_4c_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc216_4c_g_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc216_4c_g_eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc216eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc224_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc224_4c_g_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc224_4c_g_eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xf204_dna_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xf204_2ba_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xf204_2ba_dna_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xp208_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xp208eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xp208poe_eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xp216_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xp216eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xp216poe_eec_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xr324wg_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xr326-2c_poe_wg_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xr328-4c_wg_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siplus_net_scalance_xc206-2_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siplus_net_scalance_xc206-2sfp_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siplus_net_scalance_xc208_firmware:-");
script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siplus_net_scalance_xc216-4c_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/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_cpes = {
"cpe:/o:siemens:scalance_xb205-3_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5205-3BB00-2AB2","6GK5205-3BB00-2TB2","6GK5205-3BD00-2TB2","6GK5205-3BD00-2AB2"]},
"cpe:/o:siemens:scalance_xb205-3ld_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5205-3BF00-2TB2","6GK5205-3BF00-2AB2"]},
"cpe:/o:siemens:scalance_xb208_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5208-0BA00-2TB2","6GK5208-0BA00-2AB2"]},
"cpe:/o:siemens:scalance_xb213-3_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5213-3BD00-2TB2","6GK5213-3BD00-2AB2","6GK5213-3BB00-2TB2","6GK5213-3BB00-2AB2"]},
"cpe:/o:siemens:scalance_xb213-3ld_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5213-3BF00-2TB2","6GK5213-3BF00-2AB2"]},
"cpe:/o:siemens:scalance_xb216_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5216-0BA00-2TB2","6GK5216-0BA00-2AB2"]},
"cpe:/o:siemens:scalance_xc206-2_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5206-2BD00-2AC2","6GK5206-2BB00-2AC2"]},
"cpe:/o:siemens:scalance_xc206-2g_poe_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5206-2RS00-2AC2","6GK5206-2RS00-5AC2"]},
"cpe:/o:siemens:scalance_xc206-2g_poe_eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5206-2RS00-5FC2"]},
"cpe:/o:siemens:scalance_xc206-2sfp_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5206-2BS00-2AC2"]},
"cpe:/o:siemens:scalance_xc206-2sfp_eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5206-2BS00-2FC2"]},
"cpe:/o:siemens:scalance_xc206-2sfp_g_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5206-2GS00-2AC2","6GK5206-2GS00-2TC2"]},
"cpe:/o:siemens:scalance_xc206-2sfp_g_eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5206-2GS00-2FC2"]},
"cpe:/o:siemens:scalance_xc208_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5208-0BA00-2AC2"]},
"cpe:/o:siemens:scalance_xc208eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5208-0BA00-2FC2"]},
"cpe:/o:siemens:scalance_xc208g_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5208-0GA00-2AC2","6GK5208-0GA00-2TC2"]},
"cpe:/o:siemens:scalance_xc208g_eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5208-0GA00-2FC2"]},
"cpe:/o:siemens:scalance_xc208g_poe_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5208-0RA00-2AC2","6GK5208-0RA00-5AC2"]},
"cpe:/o:siemens:scalance_xc216_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5216-0BA00-2AC2"]},
"cpe:/o:siemens:scalance_xc216_3g_poe_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5216-3RS00-2AC2","6GK5216-3RS00-5AC2"]},
"cpe:/o:siemens:scalance_xc216_4c_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5216-4BS00-2AC2"]},
"cpe:/o:siemens:scalance_xc216_4c_g_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5216-4GS00-2AC2","6GK5216-4GS00-2TC2"]},
"cpe:/o:siemens:scalance_xc216_4c_g_eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5216-4GS00-2FC2"]},
"cpe:/o:siemens:scalance_xc216eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5216-0BA00-2FC2"]},
"cpe:/o:siemens:scalance_xc224_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5224-0BA00-2AC2"]},
"cpe:/o:siemens:scalance_xc224_4c_g_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5224-4GS00-2AC2","6GK5224-4GS00-2TC2"]},
"cpe:/o:siemens:scalance_xc224_4c_g_eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5224-4GS00-2FC2"]},
"cpe:/o:siemens:scalance_xf204_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5204-0BA00-2GF2"]},
"cpe:/o:siemens:scalance_xf204_dna_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5204-0BA00-2YF2"]},
"cpe:/o:siemens:scalance_xf204_2ba_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5204-2AA00-2GF2"]},
"cpe:/o:siemens:scalance_xf204_2ba_dna_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5204-2AA00-2YF2"]},
"cpe:/o:siemens:scalance_xp208_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5208-0HA00-2AS6","6GK5208-0HA00-2TS6"]},
"cpe:/o:siemens:scalance_xp208eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5208-0HA00-2ES6"]},
"cpe:/o:siemens:scalance_xp208poe_eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5208-0UA00-5ES6"]},
"cpe:/o:siemens:scalance_xp216_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5216-0HA00-2AS6","6GK5216-0HA00-2TS6"]},
"cpe:/o:siemens:scalance_xp216eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5216-0HA00-2ES6"]},
"cpe:/o:siemens:scalance_xp216poe_eec_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5216-0UA00-5ES6"]},
"cpe:/o:siemens:scalance_xr324wg_firmware:-" :
{"family" : "SCALANCEX300", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5324-0BA00-3AR3","6GK5324-0BA00-2AR3"]},
"cpe:/o:siemens:scalance_xr326-2c_poe_wg_firmware:-" :
{"family" : "SCALANCEX300", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5326-2QS00-3AR3","6GK5326-2QS00-3RR3"]},
"cpe:/o:siemens:scalance_xr328-4c_wg_firmware:-" :
{"family" : "SCALANCEX300", "versionEndExcluding" : "4.5", "orderNumbers": ["6GK5328-4FS00-3AR3","6GK5328-4FS00-3RR3","6GK5328-4FS00-2AR3","6GK5328-4FS00-2RR3","6GK5328-4SS00-3AR3","6GK5328-4SS00-2AR3"]},
"cpe:/o:siemens:siplus_net_scalance_xc206-2_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6AG1206-2BB00-7AC2"]},
"cpe:/o:siemens:siplus_net_scalance_xc206-2sfp_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6AG1206-2BS00-7AC2"]},
"cpe:/o:siemens:siplus_net_scalance_xc208_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6AG1208-0BA00-7AC2"]},
"cpe:/o:siemens:siplus_net_scalance_xc216-4c_firmware:-" :
{"family" : "SCALANCEX200", "versionEndExcluding" : "4.5", "orderNumbers": ["6AG1216-4BS00-7AC2"]}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_HOLE);
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
56.5%