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CVE-2009-5010 Detail

Description

Race condition in the FTPHandler class in ftpserver.py in pyftpdlib before 0.5.1 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected return value of None, a different vulnerability than CVE-2010-3494.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugs.python.org/issue6706 Patch 
http://code.google.com/p/pyftpdlib/issues/detail?id=91
http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
http://code.google.com/p/pyftpdlib/source/detail?r=439
http://code.google.com/p/pyftpdlib/source/diff?spec=svn439&r=439&format=side&path=/trunk/pyftpdlib/ftpserver.py
http://www.openwall.com/lists/oss-security/2010/09/09/6
http://www.openwall.com/lists/oss-security/2010/09/11/2
http://www.openwall.com/lists/oss-security/2010/09/22/3
http://www.openwall.com/lists/oss-security/2010/09/24/3
https://bugs.launchpad.net/zodb/+bug/135108

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-5010
NVD Published Date:
10/19/2010
NVD Last Modified:
10/20/2010
Source:
MITRE