Synology Assistant up to 6.1 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 has been found in Synology Assistant up to 6.1 and classified as problematic. The impacted element is an unknown function in the library shfolder.dll. The manipulation leads to untrusted search path. This vulnerability is listed as CVE-2017-11160. The attack must be carried out locally. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Synology Assistant up to 6.1. This issue affects an unknown part in the library shfolder.dll. The manipulation with an unknown input leads to a untrusted search path vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple untrusted search path vulnerabilities in installer in Synology Assistant before 6.1-15163 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 08/16/2017. The weakness was presented 08/18/2017 (Website). It is possible to read the advisory at synology.com. The identification of this vulnerability is CVE-2017-11160 since 07/10/2017. Attacking locally is a requirement. A simple authentication is necessary for exploitation. 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 2 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 6.1-15163 eliminates this vulnerability.

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

Productinfo

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: Assistant 6.1-15163

Timelineinfo

07/10/2017 🔍
08/16/2017 +37 days 🔍
08/18/2017 +2 days 🔍
08/18/2017 +0 days 🔍
08/19/2017 +1 days 🔍
12/16/2022 +1945 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_17_44
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-11160 (🔍)
GCVE (CVE): GCVE-0-2017-11160
GCVE (VulDB): GCVE-100-105563

Entryinfo

Created: 08/19/2017 08:51
Updated: 12/16/2022 08:44
Changes: 08/19/2017 08:51 (59), 11/08/2019 21:07 (2), 12/16/2022 08:44 (4)
Complete: 🔍
Cache ID: 216::103

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