National Cyber-Alert System
Vulnerability Summary for CVE-2005-0256
Original release date:05/02/2005
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
The wu_fnmatch function in wu_fnmatch.c in wu-ftpd 2.6.1 and 2.6.2 allows remote attackers to cause a denial of service (CPU exhaustion by recursion) via a glob pattern with a large number of * (wildcard) characters, as demonstrated using the dir command.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
- Official Statement from Red Hat (10/23/2006)
-
Not vulnerable. Red Hat Enterprise Linux 2.1 shipped with wu-ftpd, however we were unable to reproduce this issue. Additionally, a code analysis showed that attempts to exploit this issue would be caught in the versions we shipped.
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=149720
References to Advisories, Solutions, and Tools
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External Source: DEBIAN
Name: DSA-705
Type: Advisory; Patch Information
External Source: OSVDB
Name: 14203
External Source: IDEFENSE
Name: 20050225 WU-FTPD File Globbing Denial of Service Vulnerability
External Source: VUPEN
Name: ADV-2006-1271
Type: Advisory
External Source: VUPEN
Name: ADV-2005-0588
Type: Advisory
External Source: SUNALERT
Name: 57795
External Source: SUNALERT
Name: 101699
External Source: SECUNIA
Name: 19561
Type: Advisory
External Source: SECUNIA
Name: 18210
Type: Advisory
External Source: SECUNIA
Name: 14411
Type: Advisory
External Source: HP
Name: HPSBUX02110
External Source: SCO
Name: SCOSA-2005.63
US Government Resource: oval:org.mitre.oval:def:1762
Name: oval:org.mitre.oval:def:1762
Type: Tool Signature
US Government Resource: oval:org.mitre.oval:def:1333
Name: oval:org.mitre.oval:def:1333
Type: Tool Signature
US Government Resource: oval:org.mitre.oval:def:1265
Name: oval:org.mitre.oval:def:1265
Type: Tool Signature