| Name | CVE-2016-10026 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-812-1, DSA-3760-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ikiwiki (PTS) | jessie, jessie (lts) | 3.20141016.4+deb8u1 | fixed |
| stretch (security), stretch (lts), stretch | 3.20170111.1 | fixed |
| buster | 3.20190228-1 | fixed |
| bullseye, bookworm | 3.20200202.3-1 | fixed |
| sid, trixie | 3.20200202.4-2.1 | fixed |
The information below is based on the following data on fixed versions.
Notes
http://ikiwiki.info/bugs/rcs_revert_can_bypass_authorization_if_affected_files_were_renamed/
Fix: http://source.ikiwiki.branchable.com/?p=source.git;a=commitdiff;h=9cada49ed6ad24556dbe9861ad5b0a9f526167f9
https://www.openwall.com/lists/oss-security/2016/12/20/7
When fixing this issue make sure to apply the complete correct fix to
not open ikiwiki to be vulnerable for CVE-2016-9645.