CVE-2009-5010

pyftpdlib < 0.5.1 - Denial of Service via FTP Connection Race Condition

Title source: llm
STIX 2.1

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.

References (10)

Core 10
Core References
Issue Tracking x_refsource_confirm
http://code.google.com/p/pyftpdlib/source/detail?r=439
Issue Tracking x_refsource_confirm
http://code.google.com/p/pyftpdlib/issues/detail?id=91
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2010/09/11/2
Issue Tracking x_refsource_misc
https://bugs.launchpad.net/zodb/+bug/135108
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2010/09/24/3
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2010/09/22/3
Patch x_refsource_misc
http://bugs.python.org/issue6706
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2010/09/09/6

Scores

EPSS 0.0136
EPSS Percentile 68.3%

Details

CWE
CWE-362
Status published
Products (7)
g.rodola/pyftpdlib 0.1
g.rodola/pyftpdlib 0.1.1
g.rodola/pyftpdlib 0.2.0
g.rodola/pyftpdlib 0.3.0
g.rodola/pyftpdlib 0.4.0
g.rodola/pyftpdlib < 0.5.0
pypi/pyftpdlib 0 - 0.5.1PyPI
Published Oct 19, 2010
Tracked Since Feb 18, 2026