Synology DiskStation Manager up to 3.0 mDNS Responder 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.
4.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Synology DiskStation Manager up to 3.0 and classified as problematic. Affected by this issue is some unknown functionality of the component mDNS Responder. This manipulation causes information disclosure. This vulnerability is handled as CVE-2015-2809. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Synology DiskStation Manager up to 3.0 (Network Attached Storage Software). It has been declared as problematic. Affected by this vulnerability is an unknown part of the component mDNS Responder. 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 availability. The summary by CVE is:

The Multicast DNS (mDNS) responder in Synology DiskStation Manager (DSM) before 3.1 inadvertently responds to unicast queries with source addresses that are not link-local, which allows remote attackers to cause a denial of service (traffic amplification) or obtain potentially sensitive information via port-5353 UDP packets to the Avahi component.

The weakness was released 04/01/2015 by Chad Seaman (Website). The advisory is shared at seclists.org. This vulnerability is known as CVE-2015-2809 since 03/31/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version bis eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (102089) and SecurityFocus (BID 73683†). Entry connected to this vulnerability is available at VDB-74546. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: DiskStation Manager bis

Timelineinfo

03/31/2015 🔍
03/31/2015 +0 days 🔍
03/31/2015 +0 days 🔍
04/01/2015 +1 days 🔍
04/01/2015 +0 days 🔍
01/15/2025 +3577 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: seclists.org
Researcher: Chad Seaman
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2809 (🔍)
GCVE (CVE): GCVE-0-2015-2809
GCVE (VulDB): GCVE-100-74581
CERT: 🔍
X-Force: 102089 - Synology DiskStation Manager (DSM) mDNS information disclosure
SecurityFocus: 73683 - Multiple Products Multicast DNS (mDNS) Implementation Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 04/01/2015 15:10
Updated: 01/15/2025 02:39
Changes: 04/01/2015 15:10 (50), 04/17/2018 10:35 (9), 11/05/2024 10:46 (17), 01/15/2025 02:39 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!