9.8crit

CVE-2017-0356

Authentication bypass via repeated parameters

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.3%
percentile 88%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

3.28% probability of exploitation in the next 30 days, higher than 88% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • ikiwiki ikiwiki

Classification

Weakness

References

  • debian.org /security/2017/dsa-3760 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • ikiwiki.info /security/#cve-2017-0356 · x_refsource_CONFIRM, x_transferred
  • marc.info /?l=oss-security&m=148418234314276&w=2 · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/95420 · vdb-entry, x_refsource_BID, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.