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

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CVE-2015-2851

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
30/05/2015
Last modified:
12/04/2025

Description

client_chown in the sync client in Synology Cloud Station 1.1-2291 through 3.1-3320 on OS X allows local users to change the ownership of arbitrary files, and consequently obtain root access, by specifying a filename.

Impact

Vector 2.0
AV:L/AC:L/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C

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

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:synology:cloud_station:1.1-2291:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:2.0-2291:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:2.0-2402:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:2.1-2561:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:2.1-2570:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:2.1-2577:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:3.0-3005:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:3.0-3103:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:3.0-3108:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:3.0-3109:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:3.0-3111:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:3.1-3317:*:*:*:*:*:*:*
cpe:2.3:a:synology:cloud_station:3.1-3320:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools