CVE-2017-0356

Public Exploit
Authentication bypass via repeated parameters

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 10.40% Top 10%
Vendor Advisory debian.org Vendor Advisory ikiwiki.info
Affected: ikiwiki ikiwiki
Published at:
Updated at:

References

Link Tags
https://www.debian.org/security/2017/dsa-3760 third party advisory vendor advisory
https://ikiwiki.info/security/#cve-2017-0356 vendor advisory
https://marc.info/?l=oss-security&m=148418234314276&w=2 mailing list third party advisory exploit
http://www.securityfocus.com/bid/95420 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-0356?
CVE-2017-0356 has been scored as a critical severity vulnerability.
How to fix CVE-2017-0356?
To fix CVE-2017-0356, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-0356 being actively exploited in the wild?
It is possible that CVE-2017-0356 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-0356?
CVE-2017-0356 affects ikiwiki ikiwiki.
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