Synology Cloud Station Drive up to 4.2.5 shfolder.dll untrusted search path

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Synology Cloud Station Drive up to 4.2.5. It has been rated as problematic. This affects an unknown function in the library shfolder.dll. This manipulation causes untrusted search path. This vulnerability is registered as CVE-2017-11158. The attack needs to be launched locally. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Synology Cloud Station Drive up to 4.2.5 (Cloud Software) and classified as problematic. Affected by this vulnerability is an unknown function in the library shfolder.dll. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple untrusted search path vulnerabilities in installer in Synology Cloud Station Drive before 4.2.5-4396 on Windows allows local attackers to execute arbitrary code and conduct DLL hijacking attack via a Trojan horse (1) shfolder.dll, (2) ntmarta.dll, (3) secur32.dll or (4) dwmapi.dll file in the current working directory.

The bug was discovered 08/30/2017. The weakness was published 08/31/2017 (Website). It is possible to read the advisory at synology.com. This vulnerability is known as CVE-2017-11158 since 07/10/2017. Attacking locally is a requirement. The successful exploitation requires a single authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1574 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 4.2.5-4396 eliminates this vulnerability.

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

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Cloud Station Drive 4.2.5-4396

Timelineinfo

07/10/2017 🔍
08/30/2017 +51 days 🔍
08/31/2017 +1 days 🔍
08/31/2017 +0 days 🔍
08/31/2017 +0 days 🔍
12/27/2022 +1944 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_17_51
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-11158 (🔍)
GCVE (CVE): GCVE-0-2017-11158
GCVE (VulDB): GCVE-100-106015

Entryinfo

Created: 08/31/2017 22:47
Updated: 12/27/2022 11:46
Changes: 08/31/2017 22:47 (54), 11/12/2019 11:16 (8), 12/27/2022 11:46 (4)
Complete: 🔍
Cache ID: 216:5F1:103

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

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