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[ GLSA 200908-09 ] DokuWiki: Local file inclusion
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GLSA
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PostPosted: Sat Aug 22, 2009 8:26 am    Post subject: [ GLSA 200908-09 ] DokuWiki: Local file inclusion Reply with quote

Gentoo Linux Security Advisory

Title: DokuWiki: Local file inclusion (GLSA 200908-09)
Severity: high
Exploitable: remote
Date: August 18, 2009
Updated: August 19, 2009
Bug(s): #272431
ID: 200908-09

Synopsis


An input sanitation error in DokuWiki might lead to the dislosure of local
files or even the remote execution of arbitrary code.


Background


DokuWiki is a standards compliant Wiki system written in PHP.


Affected Packages

Package: www-apps/dokuwiki
Vulnerable: < 20090214b
Unaffected: >= 20090214b
Architectures: All supported architectures


Description


girex reported that data from the "config_cascade" parameter in
inc/init.php is not properly sanitized before being used.


Impact


A remote attacker could exploit this vulnerability to execute PHP code
from arbitrary local, or, when the used PHP version supports ftp://
URLs, also from remote files via FTP. Furthermore, it is possible to
disclose the contents of local files. NOTE: Successful exploitation
requires the PHP option "register_globals" to be enabled.


Workaround


Disable "register_globals" in php.ini.


Resolution


All DokuWiki users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=www-apps/dokuwiki-2009-02-14b"


References

CVE-2009-1960


Last edited by GLSA on Sun Nov 22, 2009 4:29 am; edited 2 times in total
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