Sign-up

ID

VAR-201911-1650


CVE

CVE-2018-8879


TITLE

Asuswrt-Merlin Firmware out-of-bounds vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2018-016158

DESCRIPTION

Stack-based buffer overflow in Asuswrt-Merlin firmware for ASUS devices older than 384.4 and ASUS firmware before 3.0.0.4.382.50470 for devices allows remote attackers to execute arbitrary code by providing a long string to the blocking.asp page via a GET or POST request. Vulnerable parameters are flag, mac, and cat_id. Asuswrt-Merlin The firmware contains a vulnerability related to out-of-bounds writing.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. ASUS Asuswrt-Merlin is a firmware that runs in its router

Trust: 2.16

sources: NVD: CVE-2018-8879 // JVNDB: JVNDB-2018-016158 // CNVD: CNVD-2020-02713

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2020-02713

AFFECTED PRODUCTS

vendor:asusmodel:rt-ac66uscope:ltversion:3.0.0.4.382.50470

Trust: 1.0

vendor:asustek computermodel:rt-ac66uscope: - version: -

Trust: 0.8

vendor:asusmodel:asuswrt-merlinscope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2020-02713 // JVNDB: JVNDB-2018-016158 // NVD: CVE-2018-8879

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2018-8879
value: CRITICAL

Trust: 1.0

NVD: CVE-2018-8879
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2020-02713
value: HIGH

Trust: 0.6

CNNVD: CNNVD-201911-1254
value: CRITICAL

Trust: 0.6

nvd@nist.gov: CVE-2018-8879
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2020-02713
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2018-8879
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2018-8879
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2020-02713 // JVNDB: JVNDB-2018-016158 // CNNVD: CNNVD-201911-1254 // NVD: CVE-2018-8879

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.8

sources: JVNDB: JVNDB-2018-016158 // NVD: CVE-2018-8879

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201911-1254

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-201911-1254

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2018-016158

PATCH
title:RT-AC66Uurl:https://www.asus.com/Networking/RTAC66U/HelpDesk_BIOS
Trust: 0.8
title:Patch for ASUS Asuswrt-Merlin blocking.asp buffer overflow vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/197547
Trust: 0.6
title:ASUS Asuswrt-Merlin Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=104042
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2020-02713 // 
            
            
            
            JVNDB: JVNDB-2018-016158 // 
            
            
            
            CNNVD: CNNVD-201911-1254

EXTERNAL IDS
db:NVDid:CVE-2018-8879
Trust: 3.0
db:JVNDBid:JVNDB-2018-016158
Trust: 0.8
db:CNVDid:CNVD-2020-02713
Trust: 0.6
db:CNNVDid:CNNVD-201911-1254
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2020-02713 // 
            
            
            
            JVNDB: JVNDB-2018-016158 // 
            
            
            
            CNNVD: CNNVD-201911-1254 // 
            
            
            
            NVD: CVE-2018-8879

REFERENCES
url:https://pagedout.institute/download/pagedout_001_beta1.pdf
Trust: 2.2
url:https://www.asus.com/networking/rtac66u/helpdesk_bios
Trust: 1.6
url:https://nvd.nist.gov/vuln/detail/cve-2018-8879
Trust: 1.4
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-8879
Trust: 0.8
sources:
            
            
            CNVD: CNVD-2020-02713 // 
            
            
            
            JVNDB: JVNDB-2018-016158 // 
            
            
            
            CNNVD: CNNVD-201911-1254 // 
            
            
            
            NVD: CVE-2018-8879

SOURCES
db:CNVDid:CNVD-2020-02713
db:JVNDBid:JVNDB-2018-016158
db:CNNVDid:CNNVD-201911-1254
db:NVDid:CVE-2018-8879

LAST UPDATE DATE
2024-11-23T22:05:56.126000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2020-02713date:2020-02-18T00:00:00
db:JVNDBid:JVNDB-2018-016158date:2019-12-05T00:00:00
db:CNNVDid:CNNVD-201911-1254date:2020-07-30T00:00:00
db:NVDid:CVE-2018-8879date:2024-11-21T04:14:30.903

SOURCES RELEASE DATE
db:CNVDid:CNVD-2020-02713date:2019-11-21T00:00:00
db:JVNDBid:JVNDB-2018-016158date:2019-12-05T00:00:00
db:CNNVDid:CNNVD-201911-1254date:2019-11-21T00:00:00
db:NVDid:CVE-2018-8879date:2019-11-21T16:15:11.720