A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin’s use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0356
Reference (s):
- BID:95420
- URL: http://www.securityfocus.com/bid/95420
- https://ikiwiki.info/security/#cve-2017-0356
- DEBIAN:DSA-3760
- URL: https://www.debian.org/security/2017/dsa-3760

