VDB-104466 · CVE-2017-9553 · SA_17_29

Synology DiskStation Manager up to 6.1.3 SYNO.API.Encryption Version cryptographic issue

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Synology DiskStation Manager up to 6.1.3. Affected is an unknown function of the file SYNO.API.Encryption. The manipulation of the argument Version as part of Parameter results in cryptographic issue. This vulnerability is identified as CVE-2017-9553. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Synology DiskStation Manager up to 6.1.3 (Network Attached Storage Software). Affected is an unknown code block of the file SYNO.API.Encryption. The manipulation of the argument version as part of a Parameter leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A design flaw in SYNO.API.Encryption in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers to bypass the encryption protection mechanism via the crafted version parameter.

The bug was discovered 07/14/2017. The weakness was released 07/24/2017 (Website). The advisory is available at synology.com. This vulnerability is traded as CVE-2017-9553 since 06/12/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 6.1.3-15152 eliminates this vulnerability.

Entry connected to this vulnerability is available at VDB-104467. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

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: Cryptographic issue
CWE: CWE-310
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 6.1.3-15152

Timelineinfo

06/12/2017 🔍
07/14/2017 +32 days 🔍
07/24/2017 +10 days 🔍
07/24/2017 +0 days 🔍
07/25/2017 +1 days 🔍
01/15/2025 +2731 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_17_29
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-9553 (🔍)
GCVE (CVE): GCVE-0-2017-9553
GCVE (VulDB): GCVE-100-104466
See also: 🔍

Entryinfo

Created: 07/25/2017 11:23
Updated: 01/15/2025 02:39
Changes: 07/25/2017 11:23 (65), 11/01/2019 07:54 (2), 12/13/2022 18:50 (4), 01/15/2025 02:39 (27)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.