SB2016102112 - Privilege escalation in Synology NAS Servers
Published: October 21, 2016 Updated: October 24, 2016
Security Bulletin ID
SB2016102112
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Privilege escalation (CVE-ID: CVE-2016-6554)
CWE-ID: CWE-255 - Credentials Management
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote unauthenticated user to bypass security limitations and gain elevated privileges on the target system.
The weakness exists due to improper protection of credentials. By accessing the server with default credentials, attacker can bypass security limitations and increase his privileges.
Successful exploitation of the vulnerability results in privilege escalation and full access to the vulnerable system.
Remediation
Install update from vendor's website.