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ID

VAR-201806-1566


CVE

CVE-2018-8927


TITLE

Calendar Authorization vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2018-006632

DESCRIPTION

Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511 allows remote authenticated users to create arbitrary events via the (1) cal_id or (2) original_cal_id parameter. Calendar Contains an authorization vulnerability.Information may be tampered with. Synology Calendar is a file protection program from Synology that runs on Synology NAS devices

Trust: 1.71

sources: NVD: CVE-2018-8927 // JVNDB: JVNDB-2018-006632 // VULHUB: VHN-138959

AFFECTED PRODUCTS

vendor:synologymodel:calendarscope:ltversion:2.1.2-0511

Trust: 1.8

vendor:synologymodel:calendarscope:eqversion:1.0.2-0131

Trust: 0.6

vendor:synologymodel:calendarscope:eqversion:2.0.1-0242

Trust: 0.6

vendor:synologymodel:calendarscope:eqversion:2.1.0-0425

Trust: 0.6

vendor:synologymodel:calendarscope:eqversion:1.0.0-0121

Trust: 0.6

vendor:synologymodel:calendarscope:eqversion:1.0.3-0132

Trust: 0.6

vendor:synologymodel:calendarscope:eqversion:2.1.1-0502

Trust: 0.6

vendor:synologymodel:calendarscope:eqversion:1.1.0-0146

Trust: 0.6

vendor:synologymodel:calendarscope:eqversion:2.0.0-0241

Trust: 0.6

sources: JVNDB: JVNDB-2018-006632 // CNNVD: CNNVD-201806-893 // NVD: CVE-2018-8927

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2018-8927
value: MEDIUM

Trust: 1.0

security@synology.com: CVE-2018-8927
value: MEDIUM

Trust: 1.0

NVD: CVE-2018-8927
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-201806-893
value: MEDIUM

Trust: 0.6

VULHUB: VHN-138959
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2018-8927
severity: MEDIUM
baseScore: 4.0
vectorString: AV:N/AC:L/AU:S/C:N/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 8.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-138959
severity: MEDIUM
baseScore: 4.0
vectorString: AV:N/AC:L/AU:S/C:N/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 8.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2018-8927
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: HIGH
availabilityImpact: NONE
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.0

Trust: 1.8

security@synology.com: CVE-2018-8927
baseSeverity: MEDIUM
baseScore: 5.4
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: LOW
availabilityImpact: LOW
exploitabilityScore: 2.8
impactScore: 2.5
version: 3.0

Trust: 1.0

sources: VULHUB: VHN-138959 // JVNDB: JVNDB-2018-006632 // CNNVD: CNNVD-201806-893 // NVD: CVE-2018-8927 // NVD: CVE-2018-8927

PROBLEMTYPE DATA

problemtype:CWE-863

Trust: 1.1

problemtype:CWE-285

Trust: 0.9

sources: VULHUB: VHN-138959 // JVNDB: JVNDB-2018-006632 // NVD: CVE-2018-8927

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201806-893

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-201806-893

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2018-006632

PATCH
title:Synology-SA-18:16url:https://www.synology.com/en-global/support/security/Synology_SA_18_16
Trust: 0.8
title:Synology Calendar Remediation measures for authorization problem vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=81026
Trust: 0.6
sources:
            
            
            JVNDB: JVNDB-2018-006632 // 
            
            
            
            CNNVD: CNNVD-201806-893

EXTERNAL IDS
db:NVDid:CVE-2018-8927
Trust: 2.5
db:JVNDBid:JVNDB-2018-006632
Trust: 0.8
db:CNNVDid:CNNVD-201806-893
Trust: 0.7
db:VULHUBid:VHN-138959
Trust: 0.1
sources:
            
            
            VULHUB: VHN-138959 // 
            
            
            
            JVNDB: JVNDB-2018-006632 // 
            
            
            
            CNNVD: CNNVD-201806-893 // 
            
            
            
            NVD: CVE-2018-8927

REFERENCES
url:https://www.synology.com/en-global/support/security/synology_sa_18_16
Trust: 1.7
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-8927
Trust: 0.8
url:https://nvd.nist.gov/vuln/detail/cve-2018-8927
Trust: 0.8
sources:
            
            
            VULHUB: VHN-138959 // 
            
            
            
            JVNDB: JVNDB-2018-006632 // 
            
            
            
            CNNVD: CNNVD-201806-893 // 
            
            
            
            NVD: CVE-2018-8927

SOURCES
db:VULHUBid:VHN-138959
db:JVNDBid:JVNDB-2018-006632
db:CNNVDid:CNNVD-201806-893
db:NVDid:CVE-2018-8927

LAST UPDATE DATE
2024-11-23T22:22:03.702000+00:00

SOURCES UPDATE DATE
db:VULHUBid:VHN-138959date:2019-10-09T00:00:00
db:JVNDBid:JVNDB-2018-006632date:2018-08-28T00:00:00
db:CNNVDid:CNNVD-201806-893date:2019-10-17T00:00:00
db:NVDid:CVE-2018-8927date:2024-11-21T04:14:37.213

SOURCES RELEASE DATE
db:VULHUBid:VHN-138959date:2018-06-14T00:00:00
db:JVNDBid:JVNDB-2018-006632date:2018-08-28T00:00:00
db:CNNVDid:CNNVD-201806-893date:2018-06-15T00:00:00
db:NVDid:CVE-2018-8927date:2018-06-14T14:29:00.403