Auth bypass in Ikiwiki
CVE-2017-0356
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.
Vulnerability class: Broken Authentication
EPSS: 0.035 (87.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Ikiwiki — versions before 3.20170111
- Debian Debian_linux — versions 7.0, 8.0
Weakness classification (CWE)
References
- security@debian.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@debian.org (x_refsource_CONFIRM, Vendor Advisory)
- security@debian.org (mailing-list, x_refsource_MLIST, Exploit, Third Party Advisory)
- security@debian.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-0356?
- CVE-2017-0356 is a critical-severity vulnerability in Ikiwiki, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-04-13.
- How severe is CVE-2017-0356?
- Critical severity. CVSS v3 base score is 9.8 out of 10.