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CVE-2017-11156

Quick assessment

Affected
Synology Synology Download Station
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Synology Download Station是群晖（Synology）公司的一套基于Web的下载应用程序。该程序支持BT、FTP和HTTP等协议下载文件。 Synology Download Station 3.8.5-3475之前的3.8.x版本和3.5-2984之前的3.x版本中存在安全漏洞，该漏洞源于程序为ui/dlm/btsearch目录分配了弱权限(0777)。远程攻击者可通过上传可执行文件利用该漏洞执行任意代码。

AI Predicted 6.5 Difficulty: Easy EPSS 2.30% · P83
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I. Basic Information for CVE-2017-11156

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Synology Download Station 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984 uses weak permissions (0777) for ui/dlm/btsearch directory, which allows remote authenticated users to execute arbitrary code by uploading an executable via unspecified vectors.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Synology Download Station 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology Download Station是群晖（Synology）公司的一套基于Web的下载应用程序。该程序支持BT、FTP和HTTP等协议下载文件。 Synology Download Station 3.8.5-3475之前的3.8.x版本和3.5-2984之前的3.x版本中存在安全漏洞，该漏洞源于程序为ui/dlm/btsearch目录分配了弱权限(0777)。远程攻击者可通过上传可执行文件利用该漏洞执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Synology Synology Download Station 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984 -

II. Public POCs for CVE-2017-11156

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III. Intelligence Information for CVE-2017-11156

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Other References for CVE-2017-11156 (1)

IV. Related Vulnerabilities

Same product: Synology Download Station
Same vendor: Synology
Same weakness: CWE-276

V. Comments for CVE-2017-11156

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