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ID

VAR-202009-0180


CVE

CVE-2020-11881


TITLE

MikroTik RouterOS  Array index validation vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-011344

DESCRIPTION

An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964. MikroTik RouterOS Is vulnerable to array index validation.Denial of service (DoS) It may be put into a state. MikroTik RouterOS is a Linux-based router operating system developed by Latvian MikroTik Company. The system can be deployed in a PC so that it provides router functionality. Attackers can use this vulnerability to modify the setup-request package (ie su -12964) to destroy the SMB server

Trust: 1.8

sources: NVD: CVE-2020-11881 // JVNDB: JVNDB-2020-011344 // VULHUB: VHN-164504 // VULMON: CVE-2020-11881

AFFECTED PRODUCTS

vendor:mikrotikmodel:routerosscope:gteversion:6.41.3

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vendor:mikrotikmodel:routerosscope:eqversion:7.0

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vendor:mikrotikmodel:routerosscope:lteversion:6.46.5

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vendor:mikrotikmodel:routerosscope:eqversion: -

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vendor:mikrotikmodel:routerosscope:eqversion:6.41.3 to 6.46.5

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vendor:mikrotikmodel:routerosscope:eqversion:7.0 beta5 for up to 7.x

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sources: JVNDB: JVNDB-2020-011344 // NVD: CVE-2020-11881

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-11881
value: HIGH

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NVD: CVE-2020-11881
value: HIGH

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CNNVD: CNNVD-202009-894
value: HIGH

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VULHUB: VHN-164504
value: MEDIUM

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VULMON: CVE-2020-11881
value: MEDIUM

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nvd@nist.gov: CVE-2020-11881
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

VULHUB: VHN-164504
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-11881
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2020-11881
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-164504 // VULMON: CVE-2020-11881 // JVNDB: JVNDB-2020-011344 // CNNVD: CNNVD-202009-894 // NVD: CVE-2020-11881

PROBLEMTYPE DATA

problemtype:CWE-129

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problemtype:Improper validation of array indexes (CWE-129) [NVD Evaluation ]

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sources: VULHUB: VHN-164504 // JVNDB: JVNDB-2020-011344 // NVD: CVE-2020-11881

THREAT TYPE

remote

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sources: CNNVD: CNNVD-202009-894

TYPE

input validation error

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sources: CNNVD: CNNVD-202009-894

PATCH

title:Top Pageurl:https://mikrotik.com

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title:MikroTik RouterOS Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=128580

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title:CVE-2020-11881url:https://github.com/botlabsDev/CVE-2020-11881

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title:Mikrotikurl:https://github.com/enoleriand-alt/Mikrotik

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title:PoCurl:https://github.com/Jonathan-Elias/PoC

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title:CVE-POCurl:https://github.com/0xT11/CVE-POC

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title:PoC-in-GitHuburl:https://github.com/developer3000S/PoC-in-GitHub

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title:PoC-in-GitHuburl:https://github.com/hectorgie/PoC-in-GitHub

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sources: VULMON: CVE-2020-11881 // JVNDB: JVNDB-2020-011344 // CNNVD: CNNVD-202009-894

EXTERNAL IDS

db:NVDid:CVE-2020-11881

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db:JVNDBid:JVNDB-2020-011344

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db:CNNVDid:CNNVD-202009-894

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db:VULHUBid:VHN-164504

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db:VULMONid:CVE-2020-11881

Trust: 0.1

sources: VULHUB: VHN-164504 // VULMON: CVE-2020-11881 // JVNDB: JVNDB-2020-011344 // CNNVD: CNNVD-202009-894 // NVD: CVE-2020-11881

REFERENCES

url:https://github.com/botlabsdev/cve-2020-11881

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url:https://mikrotik.com

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url:https://nvd.nist.gov/vuln/detail/cve-2020-11881

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url:https://cwe.mitre.org/data/definitions/129.html

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url:https://nvd.nist.gov

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sources: VULHUB: VHN-164504 // VULMON: CVE-2020-11881 // JVNDB: JVNDB-2020-011344 // CNNVD: CNNVD-202009-894 // NVD: CVE-2020-11881

SOURCES

db:VULHUBid:VHN-164504
db:VULMONid:CVE-2020-11881
db:JVNDBid:JVNDB-2020-011344
db:CNNVDid:CNNVD-202009-894
db:NVDid:CVE-2020-11881

LAST UPDATE DATE

2024-11-23T22:11:23.971000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-164504date:2020-09-18T00:00:00
db:VULMONid:CVE-2020-11881date:2020-09-18T00:00:00
db:JVNDBid:JVNDB-2020-011344date:2021-03-29T08:19:00
db:CNNVDid:CNNVD-202009-894date:2020-10-22T00:00:00
db:NVDid:CVE-2020-11881date:2024-11-21T04:58:49.057

SOURCES RELEASE DATE

db:VULHUBid:VHN-164504date:2020-09-14T00:00:00
db:VULMONid:CVE-2020-11881date:2020-09-14T00:00:00
db:JVNDBid:JVNDB-2020-011344date:2021-03-29T00:00:00
db:CNNVDid:CNNVD-202009-894date:2020-09-14T00:00:00
db:NVDid:CVE-2020-11881date:2020-09-14T21:15:10.137