VDB-105247 · CVE-2017-9556 · SA_17_39

Synology Video Station up to 2.3.0 Video Metadata Editor Title 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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Synology Video Station up to 2.3.0. Affected is an unknown function of the component Video Metadata Editor. This manipulation of the argument Title as part of Parameter causes cross site scripting. This vulnerability is tracked as CVE-2017-9556. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Synology Video Station up to 2.3.0. Affected by this vulnerability is some unknown functionality of the component Video Metadata Editor. The manipulation of the argument title as part of a Parameter leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in Video Metadata Editor in Synology Video Station before 2.3.0-1435 allows remote authenticated attackers to inject arbitrary web script or HTML via the title parameter.

The bug was discovered 08/10/2017. The weakness was disclosed 08/11/2017 (Website). It is possible to read the advisory at synology.com. This vulnerability is known as CVE-2017-9556 since 06/12/2017. The attack can be launched remotely. A single authentication is required for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.3.0-1435 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Synology

Name

Video Station

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
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Video Station 2.3.0-1435

Timelineinfo

06/12/2017 🔍
08/10/2017 +59 days 🔍
08/11/2017 +1 days 🔍
08/11/2017 +0 days 🔍
08/12/2017 +1 days 🔍
12/15/2022 +1951 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_17_39
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9556 (🔍)
GCVE (CVE): GCVE-0-2017-9556
GCVE (VulDB): GCVE-100-105247

Entryinfo

Created: 08/12/2017 10:29
Updated: 12/15/2022 16:22
Changes: 08/12/2017 10:29 (60), 11/06/2019 15:08 (2), 12/15/2022 16:22 (4)
Complete: 🔍
Cache ID: 216::103