14203 : WU-FTPD wu_fnmatch() Function File Globbing Remote DoS
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Info

Last Modified
10 months ago

Percent Complete
100%

Disclosure
Feb 25, 2005

Discovery
Feb 09, 2005

Dates

Exploit
Unknown

Solution
Unknown

Description

 WU-FTPD contains a flaw that may allow a remote attacker to cause a Denial of Service condition. The issue is due to the wu_fnmatch function in wu_fnmatch.c not properly sanitizing user input. With a specially crafted glob pattern combined with a large number of wildcard characters (*), an attacker can cause the service to use excessive CPU cycles and exhaust all available resources.

Classification

 Location: Remote/Network Access Required
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Availability
Exploit: Exploit Available

Solution

 Currently, there are no known upgrades, patches, or workarounds available to correct this issue.

Products
WU-FTPD Development Group
Watch-list
wu-ftpd
Watch-list
 2.6.1
2.6.2

References

Tools & Filters

Nessus

 17602 18010 19162

Credit
  • Adam Zabrocki (pi3 / pi3ki31ny) - iDefense VCP

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