Details of VAR-201711-0208

ID

VAR-201711-0208

CVE

CVE-2017-15887

TITLE

Synology CardDAV Server Vulnerabilities related to certificate and password management

Trust: 0.8

sources: JVNDB: JVNDB-2017-010115

DESCRIPTION

An improper restriction of excessive authentication attempts vulnerability in /principals in Synology CardDAV Server before 6.0.7-0085 allows remote attackers to obtain user credentials via a brute-force attack. Synology CardDAV Server Contains vulnerabilities related to certificate and password management.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. Synology CardDAV Server is an application from Synology for synchronizing contacts. There is a security vulnerability in /principals in Synology CardDAV Server versions earlier than 6.0.7-0085. The vulnerability is due to the fact that the program does not limit the number of authentication times

Trust: 1.71

sources: NVD: CVE-2017-15887 // JVNDB: JVNDB-2017-010115 // VULHUB: VHN-106754

AFFECTED PRODUCTS

vendor:

synology

model:

carddav server

scope:

version:

6.0.7-0085

Trust: 1.8

sources: JVNDB: JVNDB-2017-010115 // NVD: CVE-2017-15887

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2017-15887
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2017-15887
value:	CRITICAL
Trust: 0.8
CNNVD:	CNNVD-201710-1154
value:	CRITICAL
Trust: 0.6
VULHUB:	VHN-106754
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2017-15887
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
VULHUB:	VHN-106754
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
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-2017-15887
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:	3.9
impactScore:	5.9
version:	3.0
Trust: 1.8

sources: VULHUB: VHN-106754 // JVNDB: JVNDB-2017-010115 // CNNVD: CNNVD-201710-1154 // NVD: CVE-2017-15887

PROBLEMTYPE DATA

problemtype:	CWE-307	Trust: 1.1
problemtype:	CWE-255	Trust: 0.9

sources: VULHUB: VHN-106754 // JVNDB: JVNDB-2017-010115 // NVD: CVE-2017-15887

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201710-1154

TYPE

trust management problem

Trust: 0.6

sources: CNNVD: CNNVD-201710-1154

CONFIGURATIONS

sources: JVNDB: JVNDB-2017-010115

PATCH

title:	Synology-SA-17:64 CardDAV Server	url:	https://www.synology.com/en-global/support/security/Synology_SA_17_64_CardDAV_Server	Trust: 0.8
title:	Synology CardDAV Server Repair measures for trust management vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=100125	Trust: 0.6

sources: JVNDB: JVNDB-2017-010115 // CNNVD: CNNVD-201710-1154

EXTERNAL IDS

db:	NVD	id:	CVE-2017-15887	Trust: 2.5
db:	JVNDB	id:	JVNDB-2017-010115	Trust: 0.8
db:	CNNVD	id:	CNNVD-201710-1154	Trust: 0.7
db:	VULHUB	id:	VHN-106754	Trust: 0.1

sources: VULHUB: VHN-106754 // JVNDB: JVNDB-2017-010115 // CNNVD: CNNVD-201710-1154 // NVD: CVE-2017-15887

REFERENCES

url:	https://www.synology.com/en-global/support/security/synology_sa_17_64_carddav_server	Trust: 1.7
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-15887	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2017-15887	Trust: 0.8

sources: VULHUB: VHN-106754 // JVNDB: JVNDB-2017-010115 // CNNVD: CNNVD-201710-1154 // NVD: CVE-2017-15887

SOURCES

db:	VULHUB	id:	VHN-106754
db:	JVNDB	id:	JVNDB-2017-010115
db:	CNNVD	id:	CNNVD-201710-1154
db:	NVD	id:	CVE-2017-15887

LAST UPDATE DATE

2025-04-20T23:30:50.853000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-106754	date:	2019-10-09T00:00:00
db:	JVNDB	id:	JVNDB-2017-010115	date:	2017-12-05T00:00:00
db:	CNNVD	id:	CNNVD-201710-1154	date:	2019-10-17T00:00:00
db:	NVD	id:	CVE-2017-15887	date:	2025-04-20T01:37:25.860

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-106754	date:	2017-11-07T00:00:00
db:	JVNDB	id:	JVNDB-2017-010115	date:	2017-12-05T00:00:00
db:	CNNVD	id:	CNNVD-201710-1154	date:	2017-10-27T00:00:00
db:	NVD	id:	CVE-2017-15887	date:	2017-11-07T15:29:00.197