Sign-up

ID

VAR-201807-1692


CVE

CVE-2018-8929


TITLE

Synology SSL VPN Client Vulnerable to channel and path errors

Trust: 0.8

sources: JVNDB: JVNDB-2018-007598

DESCRIPTION

Improper restriction of communication channel to intended endpoints vulnerability in HTTP daemon in Synology SSL VPN Client before 1.2.4-0224 allows remote attackers to conduct man-in-the-middle attacks via a crafted payload. Synology SSL VPN Client Contains vulnerabilities related to channel and path errors.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. Synology SSL VPN Client is a VPN client software developed by Synology for connecting to internal encrypted networks. A remote attacker can exploit this vulnerability to implement a man-in-the-middle attack with a specially crafted payload

Trust: 1.71

sources: NVD: CVE-2018-8929 // JVNDB: JVNDB-2018-007598 // VULHUB: VHN-138961

AFFECTED PRODUCTS

vendor:synologymodel:ssl vpn clientscope:ltversion:1.2.4-0224

Trust: 1.0

vendor:synologymodel:ssl vpnscope:ltversion:client 1.2.4-0224

Trust: 0.8

sources: JVNDB: JVNDB-2018-007598 // NVD: CVE-2018-8929

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2018-8929
value: HIGH

Trust: 1.0

security@synology.com: CVE-2018-8929
value: HIGH

Trust: 1.0

NVD: CVE-2018-8929
value: HIGH

Trust: 0.8

CNNVD: CNNVD-201807-456
value: HIGH

Trust: 0.6

VULHUB: VHN-138961
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2018-8929
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-138961
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2018-8929
baseSeverity: HIGH
baseScore: 8.1
vectorString: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.2
impactScore: 5.9
version: 3.0

Trust: 1.8

security@synology.com: CVE-2018-8929
baseSeverity: HIGH
baseScore: 7.3
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: LOW
exploitabilityScore: 3.9
impactScore: 3.4
version: 3.0

Trust: 1.0

sources: VULHUB: VHN-138961 // JVNDB: JVNDB-2018-007598 // CNNVD: CNNVD-201807-456 // NVD: CVE-2018-8929 // NVD: CVE-2018-8929

PROBLEMTYPE DATA

problemtype:CWE-417

Trust: 1.9

problemtype:CWE-319

Trust: 1.0

sources: VULHUB: VHN-138961 // JVNDB: JVNDB-2018-007598 // NVD: CVE-2018-8929

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201807-456

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-201807-456

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2018-007598

PATCH
title:Synology-SA-18:19url:https://www.synology.com/en-global/support/security/Synology_SA_18_19
Trust: 0.8
title:Synology SSL VPN Client Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=81877
Trust: 0.6
sources:
            
            
            JVNDB: JVNDB-2018-007598 // 
            
            
            
            CNNVD: CNNVD-201807-456

EXTERNAL IDS
db:NVDid:CVE-2018-8929
Trust: 2.5
db:JVNDBid:JVNDB-2018-007598
Trust: 0.8
db:CNNVDid:CNNVD-201807-456
Trust: 0.7
db:VULHUBid:VHN-138961
Trust: 0.1
sources:
            
            
            VULHUB: VHN-138961 // 
            
            
            
            JVNDB: JVNDB-2018-007598 // 
            
            
            
            CNNVD: CNNVD-201807-456 // 
            
            
            
            NVD: CVE-2018-8929

REFERENCES
url:https://www.synology.com/en-global/support/security/synology_sa_18_19
Trust: 1.7
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-8929
Trust: 0.8
url:https://nvd.nist.gov/vuln/detail/cve-2018-8929
Trust: 0.8
sources:
            
            
            VULHUB: VHN-138961 // 
            
            
            
            JVNDB: JVNDB-2018-007598 // 
            
            
            
            CNNVD: CNNVD-201807-456 // 
            
            
            
            NVD: CVE-2018-8929

SOURCES
db:VULHUBid:VHN-138961
db:JVNDBid:JVNDB-2018-007598
db:CNNVDid:CNNVD-201807-456
db:NVDid:CVE-2018-8929

LAST UPDATE DATE
2024-11-23T22:41:46.473000+00:00

SOURCES UPDATE DATE
db:VULHUBid:VHN-138961date:2019-10-09T00:00:00
db:JVNDBid:JVNDB-2018-007598date:2018-09-20T00:00:00
db:CNNVDid:CNNVD-201807-456date:2019-06-12T00:00:00
db:NVDid:CVE-2018-8929date:2024-11-21T04:14:37.470

SOURCES RELEASE DATE
db:VULHUBid:VHN-138961date:2018-07-06T00:00:00
db:JVNDBid:JVNDB-2018-007598date:2018-09-20T00:00:00
db:CNNVDid:CNNVD-201807-456date:2018-07-09T00:00:00
db:NVDid:CVE-2018-8929date:2018-07-06T12:29:00.210