DokuWiki: Arbitrary command execution
Gentoo Linux Security Advisory
||GLSA 200609-10 / dokuwiki
||September 14, 2006
||September 14, 2006: 01
All supported architectures
Vulnerabilities in some accessory scripts of DokuWiki allow remote code
DokuWiki is a wiki targeted at developer teams, workgroups and small
companies. It does not use a database backend.
"rgod" discovered that DokuWiki doesn't sanitize the X-FORWARDED-FOR
HTTP header, allowing the injection of arbitrary contents - such as PHP
commands - into a file. Additionally, the accessory scripts installed
in the "bin" DokuWiki directory are vulnerable to directory traversal
attacks, allowing to copy and execute the previously injected code.
A remote attacker may execute arbitrary PHP (and thus probably system)
commands with the permissions of the user running the process serving
Disable remote access to the "bin" subdirectory of the DokuWiki
installation. Remove the directory if you don't use the scripts in
All DokuWiki users should upgrade to the latest version:
Code Listing 3.1: Resolution
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apps/dokuwiki-20060309d"