Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-11156

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
14/08/2017
Last modified:
20/04/2025

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.

Impact

Vector 3.x
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.50
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:synology:download_station:3.2-2295:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.3-2382:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.3-2383:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.3-2386:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.4-2477:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.4-2478:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.4-2480:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.4-2485:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.4-2486:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.4-2489:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.4-2490:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.4-2514:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.4-2555:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.4-2557:*:*:*:*:*:*:*
cpe:2.3:a:synology:download_station:3.4-2558:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools