Synology Chat up to 2.0.0 Slash Command Creator COMMAND/COMMANDS INSTRUCTION/DESCRIPTION cross site scripting

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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Synology Chat up to 2.0.0. It has been classified as problematic. This issue affects some unknown processing of the component Slash Command Creator. The manipulation of the argument COMMAND/COMMANDS INSTRUCTION/DESCRIPTION as part of Parameter leads to cross site scripting. This vulnerability is uniquely identified as CVE-2017-15892. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Synology Chat up to 2.0.0 (Chat Software) and classified as problematic. This issue affects an unknown code block of the component Slash Command Creator. The manipulation of the argument COMMAND/COMMANDS INSTRUCTION/DESCRIPTION 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. The summary by CVE is:

Multiple cross-site scripting (XSS) vulnerabilities in Slash Command Creator in Synology Chat before 2.0.0-1124 allow remote authenticated users to inject arbitrary web script or HTML via (1) COMMAND, (2) COMMANDS INSTRUCTION, or (3) DESCRIPTION parameter.

The bug was discovered 12/28/2017. The weakness was disclosed 12/28/2017 (Website). The advisory is shared at synology.com. The identification of this vulnerability is CVE-2017-15892 since 10/25/2017. The attack may be initiated remotely. The requirement for exploitation is a simple authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 2.0.0-1124 eliminates this vulnerability.

The entry VDB-111136 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Chat Software

Vendor

Synology

Name

Chat

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: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD 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: Cross site scripting
CWE: CWE-79 / CWE-94 / 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: Chat 2.0.0-1124

Timelineinfo

10/25/2017 🔍
12/28/2017 +64 days 🔍
12/28/2017 +0 days 🔍
12/28/2017 +0 days 🔍
12/29/2017 +1 days 🔍
01/19/2023 +1847 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_17_78
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-15892 (🔍)
GCVE (CVE): GCVE-0-2017-15892
GCVE (VulDB): GCVE-100-111137
See also: 🔍

Entryinfo

Created: 12/29/2017 11:40
Updated: 01/19/2023 13:50
Changes: 12/29/2017 11:40 (61), 12/18/2019 14:49 (2), 01/19/2023 13:50 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.