Synology Note Station up to 2.5.1 SYNO.NoteStation.Note commit_msg cross site scripting

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.
4.7$0-$5k0.00

A vulnerability was found in Synology Note Station up to 2.5.1. It has been rated as problematic. Affected by this issue is an unknown functionality of the component SYNO.NoteStation.Note. The manipulation of the argument commit_msg as part of a Parameter leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in SYNO.NoteStation.Note in Synology Note Station before 2.5.1-0844 allows remote authenticated users to inject arbitrary web script or HTML via the commit_msg parameter.

The bug was discovered 01/23/2018. The weakness was released 05/09/2018 (Website). The advisory is available at synology.com. This vulnerability is handled as CVE-2018-8912 since 03/22/2018. The attack may be launched remotely. The successful exploitation needs a simple authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 106 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.5.1-0844 eliminates this vulnerability.

Entry connected to this vulnerability is available at VDB-117565.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Note Station 2.5.1-0844

Timelineinfo

01/23/2018 🔍
03/22/2018 +58 days 🔍
05/09/2018 +47 days 🔍
05/09/2018 +0 days 🔍
05/10/2018 +1 days 🔍
03/11/2023 +1766 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_18_03
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-8912 (🔍)
See also: 🔍

Entryinfo

Created: 05/10/2018 10:04 AM
Updated: 03/11/2023 02:13 PM
Changes: 05/10/2018 10:04 AM (61), 02/04/2020 08:38 AM (2), 03/11/2023 02:13 PM (4)
Complete: 🔍
Cache ID: 44:375:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!