Synology DiskStation Manager up to 6.2 ftpd Command os command injection

HistoryDiffrelatejsonxmlCTI

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.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Synology DiskStation Manager up to 6.2. This vulnerability affects unknown code of the component ftpd. Executing a manipulation as part of Command can lead to os command injection. This vulnerability is tracked as CVE-2018-13284. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Synology DiskStation Manager up to 6.2 (Network Attached Storage Software). This vulnerability affects some unknown functionality of the component ftpd. The manipulation as part of a Command leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Command injection vulnerability in ftpd in Synology Diskstation Manager (DSM) before 6.2-23739-1 allows remote authenticated users to execute arbitrary OS commands via the (1) MKD or (2) RMD command.

The weakness was disclosed 04/01/2019 (Website). The advisory is shared for download at synology.com. This vulnerability was named CVE-2018-13284 since 07/05/2018. The attack can be initiated remotely. A single authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading to version 6.2-23739-1 eliminates this vulnerability.

The entry VDB-132654 is pretty similar. Once again VulDB remains the best source for vulnerability data.

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: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
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: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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 6.2-23739-1

Timelineinfo

07/05/2018 🔍
04/01/2019 +270 days 🔍
04/01/2019 +0 days 🔍
01/15/2025 +2116 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_18_33
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-13284 (🔍)
GCVE (CVE): GCVE-0-2018-13284
GCVE (VulDB): GCVE-100-132652
See also: 🔍

Entryinfo

Created: 04/01/2019 22:33
Updated: 01/15/2025 04:58
Changes: 04/01/2019 22:33 (59), 05/23/2020 11:35 (1), 08/21/2023 07:51 (4), 01/15/2025 04:58 (28)
Complete: 🔍
Cache ID: 216::103