10 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.6 High
AI Score
Confidence
Low
0.855 High
EPSS
Percentile
98.6%
A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system. The overflow occurs before authentication takes place, so it is possible for an unauthenticated remote attacker to exploit it. All architectures and all devices running RouterOS before versions 6.41.3/6.42rc27 are vulnerable.
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(502060);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/27");
script_cve_id("CVE-2018-7445");
script_xref(name:"EDB-ID", value:"44290");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/09/29");
script_name(english:"MikroTik RouterOS Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2018-7445)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"A buffer overflow was found in the MikroTik RouterOS SMB service when
processing NetBIOS session request messages. Remote attackers with
access to the service can exploit this vulnerability and gain code
execution on the system. The overflow occurs before authentication
takes place, so it is possible for an unauthenticated remote attacker
to exploit it. All architectures and all devices running RouterOS
before versions 6.41.3/6.42rc27 are vulnerable.
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:"http://seclists.org/fulldisclosure/2018/Mar/38");
script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/bid/103427");
# https://www.coresecurity.com/advisories/mikrotik-routeros-smb-buffer-overflow
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?5e50beb7");
script_set_attribute(attribute:"see_also", value:"https://www.exploit-db.com/exploits/44290/");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
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-2018-7445");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_cwe_id(119);
script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/19");
script_set_attribute(attribute:"patch_publication_date", value:"2018/03/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/02/27");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc11");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc12");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc14");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc15");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc18");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc2");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc20");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc23");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc24");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc27");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc5");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc6");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.4.2:rc9");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mikrotik:routeros:6.41.3");
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/MikroTik");
exit(0);
}
include('tenable_ot_cve_funcs.inc');
get_kb_item_or_exit('Tenable.ot/MikroTik');
var asset = tenable_ot::assets::get(vendor:'MikroTik');
var vuln_cpes = {
"cpe:/o:mikrotik:routeros:6.4.2:rc11" :
{"versionEndIncluding" : "6.4.2rc11", "versionStartIncluding" : "6.4.2rc11", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc12" :
{"versionEndIncluding" : "6.4.2rc12", "versionStartIncluding" : "6.4.2rc12", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc14" :
{"versionEndIncluding" : "6.4.2rc14", "versionStartIncluding" : "6.4.2rc14", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc15" :
{"versionEndIncluding" : "6.4.2rc15", "versionStartIncluding" : "6.4.2rc15", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc18" :
{"versionEndIncluding" : "6.4.2rc18", "versionStartIncluding" : "6.4.2rc18", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc2" :
{"versionEndIncluding" : "6.4.2rc2", "versionStartIncluding" : "6.4.2rc2", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc20" :
{"versionEndIncluding" : "6.4.2rc20", "versionStartIncluding" : "6.4.2rc20", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc23" :
{"versionEndIncluding" : "6.4.2rc23", "versionStartIncluding" : "6.4.2rc23", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc24" :
{"versionEndIncluding" : "6.4.2rc24", "versionStartIncluding" : "6.4.2rc24", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc27" :
{"versionEndIncluding" : "6.4.2rc27", "versionStartIncluding" : "6.4.2rc27", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc5" :
{"versionEndIncluding" : "6.4.2rc5", "versionStartIncluding" : "6.4.2rc5", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc6" :
{"versionEndIncluding" : "6.4.2rc6", "versionStartIncluding" : "6.4.2rc6", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.4.2:rc9" :
{"versionEndIncluding" : "6.4.2rc9", "versionStartIncluding" : "6.4.2rc9", "family" : "RouterOS"},
"cpe:/o:mikrotik:routeros:6.41.3" :
{"versionEndExcluding" : "6.41.3", "family" : "RouterOS"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_HOLE);
Vendor | Product | Version | CPE |
---|---|---|---|
mikrotik | routeros | 6.4.2 | cpe:/o:mikrotik:routeros:6.4.2:rc11 |
mikrotik | routeros | 6.4.2 | cpe:/o:mikrotik:routeros:6.4.2:rc12 |
mikrotik | routeros | 6.4.2 | cpe:/o:mikrotik:routeros:6.4.2:rc14 |
mikrotik | routeros | 6.4.2 | cpe:/o:mikrotik:routeros:6.4.2:rc15 |
mikrotik | routeros | 6.4.2 | cpe:/o:mikrotik:routeros:6.4.2:rc18 |
mikrotik | routeros | 6.4.2 | cpe:/o:mikrotik:routeros:6.4.2:rc2 |
mikrotik | routeros | 6.4.2 | cpe:/o:mikrotik:routeros:6.4.2:rc20 |
mikrotik | routeros | 6.4.2 | cpe:/o:mikrotik:routeros:6.4.2:rc23 |
mikrotik | routeros | 6.4.2 | cpe:/o:mikrotik:routeros:6.4.2:rc24 |
mikrotik | routeros | 6.4.2 | cpe:/o:mikrotik:routeros:6.4.2:rc27 |
10 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.6 High
AI Score
Confidence
Low
0.855 High
EPSS
Percentile
98.6%