VDB-119291 · CVE-2018-8925 · SA_18_15

Synology Photo Station up to 6.8.5 admin/user.php modify_admin cross-site request forgery

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.
7.6	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Synology Photo Station up to 6.8.5. The impacted element is an unknown function of the file admin/user.php. The manipulation of the argument modify_admin as part of Parameter leads to cross-site request forgery. This vulnerability is documented as CVE-2018-8925. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Synology Photo Station up to 6.8.5 (Network Attached Storage Software) and classified as problematic. This issue affects an unknown code of the file admin/user.php. The manipulation of the argument modify_admin as part of a Parameter leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. The summary by CVE is:

Cross-site request forgery (CSRF) vulnerability in admin/user.php in Synology Photo Station before 6.8.5-3471 and before 6.3-2975 allows remote attackers to hijack the authentication of administrators via the (1) username, (2) password, (3) admin, (4) action, (5) uid, or (6) modify_admin parameter.

The bug was discovered 03/29/2018. The weakness was released 06/08/2018 (Website). It is possible to read the advisory at synology.com. The identification of this vulnerability is CVE-2018-8925 since 03/22/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 71 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:admin/user.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 6.8.5-3471 eliminates this vulnerability.

Entry connected to this vulnerability is available at VDB-119292. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Network Attached Storage Software

Vendor

Synology

Name

Photo 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: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Synology Inc.): 🔍

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 request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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: Photo Station 6.8.5-3471

Timelineinfo

03/22/2018 🔍
03/29/2018 +7 days 🔍
06/08/2018 +70 days 🔍
06/08/2018 +0 days 🔍
06/08/2018 +0 days 🔍
03/22/2023 +1748 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_18_15
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-8925 (🔍)
GCVE (CVE): GCVE-0-2018-8925
GCVE (VulDB): GCVE-100-119291
See also: 🔍

Entryinfo

Created: 06/08/2018 19:19
Updated: 03/22/2023 09:43
Changes: 06/08/2018 19:19 (65), 02/17/2020 15:25 (2), 03/22/2023 09:38 (4), 03/22/2023 09:43 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.