Multiple vulnerabilities have been identified in DokuWiki, which could be exploited by attackers to execute arbitrary commands or cause a denial of service. These flaws are due to input validation errors in the "lib/exec/fetch.php" script that does not validate the "w" and "h" parameters, which could be exploited by remote attackers to inject and execute arbitrary shell commands, or exhaust all available resources, creating a denial of service condition.
Credits
Vulnerabilities reported by the vendor and Thomas Kindler
ChangeLog
2006-09-30 : Initial release
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