SB2018020717 - Security restrictions bypass in Nextcloud Server
Published: February 7, 2018
Security Bulletin ID
SB2018020717
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Authorization bypass through user-controlled SQL primary key (CVE-ID: CVE-2017-0936)
CWE-ID: CWE-566 - Authorization Bypass Through User-Controlled SQL Primary Key
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote authenticated attacker to bypass security restrictions and on the target system.
The weakness exists due to authorization bypass through user-controlled key. A remote attacker can change the scope of app passwords of other users and write arbitrary files on the target system.
Remediation
Install update from vendor's website.