classes/Url.php in Justin Hagstrom AutoIndex PHP Script before 2.2.4 allows remote attackers to cause a denial of service (CPU and memory consumption) via a %00 sequence in the dir parameter to index.php, which triggers an erroneous "recursive calculation."
CVSS Severity (version 2.0):
Impact Subscore: 6.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
**NOTE: Access Complexity scored Low due to insufficient information
Authentication: Not required to exploit
Impact Type: Allows disruption of service
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20071112 AutoIndex <= 2.2.2 Cross Site Scripting and Denial of Service