VDB-102369 · CVE-2017-9552 · GCVE-0-2017-9552

Synology Photo Station up to 6.7.1-3419 synophoto_dsm_user /proc/*/cmdline" Credentials improper authentication

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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Synology Photo Station up to 6.7.1-3419. This vulnerability affects unknown code of the file /proc/*/cmdline" of the component synophoto_dsm_user. Performing a manipulation results in improper authentication (Credentials). This vulnerability is cataloged as CVE-2017-9552. The attack must be initiated from a local position. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Synology Photo Station up to 6.7.1-3419 (Network Attached Storage Software). This affects an unknown functionality of the file /proc/*/cmdline" of the component synophoto_dsm_user. The manipulation with an unknown input leads to a improper authentication vulnerability (Credentials). CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality. The summary by CVE is:

A design flaw in authentication in Synology Photo Station 6.0-2528 through 6.7.1-3419 allows local users to obtain credentials via cmdline. Synology Photo Station employs the synophoto_dsm_user program to authenticate username and password by "synophoto_dsm_user --auth USERNAME PASSWORD", and local users are able to obtain credentials by sniffing "/proc/*/cmdline".

The bug was discovered 06/09/2017. The weakness was shared 06/13/2017 (Website). The advisory is shared at synology.com. This vulnerability is uniquely identified as CVE-2017-9552 since 06/12/2017. An attack has to be approached locally. The successful exploitation needs a authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Type

Network Attached Storage Software

Vendor

Synology

Name

Photo Station

Version

6.7.1-3419

License

commercial

Website

Vendor: https://www.synology.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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

Name: Credentials
Class: Improper authentication / Credentials
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/09/2017 🔍
06/12/2017 +3 days 🔍
06/13/2017 +1 days 🔍
06/13/2017 +0 days 🔍
06/14/2017 +1 days 🔍
10/17/2019 +855 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: synology.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9552 (🔍)
GCVE (CVE): GCVE-0-2017-9552
GCVE (VulDB): GCVE-100-102369

Entryinfo

Created: 06/14/2017 05:32
Updated: 10/17/2019 09:12
Changes: 06/14/2017 05:32 (60), 10/17/2019 09:12 (2)
Complete: 🔍
Cache ID: 216::103