VDB-128392 · CVE-2018-8919 · SA_18_14

Synology DiskStation Manager up to 6.1.6 SYNO.Core.Desktop.SessionData information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.7	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Synology DiskStation Manager up to 6.1.6. Affected by this vulnerability is an unknown functionality of the component SYNO.Core.Desktop.SessionData. Executing a manipulation can lead to information disclosure. This vulnerability is tracked as CVE-2018-8919. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Synology DiskStation Manager up to 6.1.6 (Network Attached Storage Software). It has been declared as problematic. This vulnerability affects an unknown code block of the component SYNO.Core.Desktop.SessionData. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

Information exposure vulnerability in SYNO.Core.Desktop.SessionData in Synology DiskStation Manager (DSM) before 6.1.6-15266 allows remote attackers to steal credentials via unspecified vectors.

The bug was discovered 12/24/2018. The weakness was disclosed 12/24/2018 (Website). The advisory is shared for download at synology.com. This vulnerability was named CVE-2018-8919 since 03/22/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 6.1.6-15266 eliminates this vulnerability.

The entries VDB-128390 and VDB-128393 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Network Attached Storage Software

Vendor

Synology

Name

DiskStation Manager

Version

License

commercial

Website

Vendor: https://www.synology.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.3
CNA Vector (Synology Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DiskStation Manager 6.1.6-15266

Timelineinfo

03/22/2018 🔍
12/24/2018 +277 days 🔍
12/24/2018 +0 days 🔍
12/24/2018 +0 days 🔍
12/25/2018 +1 days 🔍
01/15/2025 +2213 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_18_14
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-8919 (🔍)
GCVE (CVE): GCVE-0-2018-8919
GCVE (VulDB): GCVE-100-128392
See also: 🔍

Entryinfo

Created: 12/25/2018 10:25
Updated: 01/15/2025 04:58
Changes: 12/25/2018 10:25 (59), 04/24/2020 09:35 (2), 06/22/2023 06:37 (4), 06/22/2023 06:47 (12), 01/15/2025 04:58 (17)
Complete: 🔍
Cache ID: 216::103

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