DokuWiki spellchecker PHP code execution
| dokuwiki-spellchecker-code-execution (26913) |  Medium Risk |
Description:
DokuWiki could allow a remote attacker to execute arbitrary PHP code on the system, caused by improper input validation in the preg_replace() function used by the external spellchecker. A remote attacker could exploit this vulnerability using a specially-crafted URL request to execute arbitrary PHP code on the system.
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of DokuWiki, available from the DokuWiki Web site. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-06-16 for patch, upgrade, or suggested workaround information. See References.
References:
- DokuWiki Web site: DokuWiki.
- Full-Disclosure Mailing List, Mon Jun 05 2006 - 03:25:17 CDT: Advisory 04/2006: DokuWiki PHP code execution vulnerability in spellchecker.
- BID-18289: DokuWiki Remote PHP Script Code Injection Vulnerability
- CVE-2006-2878: The spellchecker (spellcheck.php) in DokuWiki 2006/06/04 and earlier allows remote attackers to insert and execute arbitrary PHP code via complex curly syntax that is inserted into a regular expression that is processed by preg_replace with the /e (executable) modifier.
- GLSA-200606-16: DokuWiki: PHP code injection
- OSVDB ID: 25980: DokuWiki Spell Checker Embedded Link Arbitrary PHP Code Execution
- SA20429: DokuWiki Spell Checker Code Execution Vulnerability
- SECTRACK ID: 1016221: DokuWiki Spellchecking Backend Lets Remote Users Code Execution
- VUPEN/ADV-2006-2142: DokuWiki Spell Checker Link Handling Remote Code Execution Vulnerability
Platforms Affected:
- Andreas Gohr DokuWiki prior to 2006-06-04
- Gentoo Linux
Reported:
Jun 05, 2006
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