Vulnerability CVE-2016-10026
Published: 2017-02-13

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.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Ikiwiki -> Ikiwiki 

 References:
http://ikiwiki.info/bugs/rcs_revert_can_bypass_authorization_if_affected_files_were_renamed/
http://www.debian.org/security/2017/dsa-3760
http://www.openwall.com/lists/oss-security/2016/12/21/3
http://www.openwall.com/lists/oss-security/2016/12/29/3
https://ikiwiki.info/security/#index46h2
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