Improper Access Control Affecting ikiwiki package, versions <3.20161219
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Improper Access Control vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-DEBIANUNSTABLE-IKIWIKI-382783
- published13 Feb 2017
- disclosed13 Feb 2017
Introduced: 13 Feb 2017
CVE-2016-10026 (opens in a new tab)How to fix?
Upgrade Debian:unstable ikiwiki to version 3.20161219 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ikiwiki package and not the ikiwiki package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
ikiwiki 3.20161219 does not properly check if a revision changes the access permissions for a page on sites with the git and recentchanges plugins and the CGI interface enabled, which allows remote attackers to revert certain changes by leveraging permissions to change the page before the revision was made.
References
- https://security-tracker.debian.org/tracker/CVE-2016-10026
- http://www.debian.org/security/2017/dsa-3760
- http://ikiwiki.info/bugs/rcs_revert_can_bypass_authorization_if_affected_files_were_renamed/
- https://ikiwiki.info/security/#index46h2
- http://www.openwall.com/lists/oss-security/2016/12/21/3
- http://www.openwall.com/lists/oss-security/2016/12/29/3
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10026