Description
Race condition in the FTPHandler class in ftpserver.py in pyftpdlib before 0.5.2 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 value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.
Metrics
CVSS 2.0 4.3/10
AV:N/AC:M/Au:N/C:N/I:N/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://bugs.python.org/issue6706Patch
- http://code.google.com/p/pyftpdlib/issues/detail?id=104
- http://code.google.com/p/pyftpdlib/issues/detail?id=105
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
- http://code.google.com/p/pyftpdlib/source/detail?r=556
- http://code.google.com/p/pyftpdlib/source/diff?spec=svn556&r=556&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
- http://bugs.python.org/issue6706Patch
- http://code.google.com/p/pyftpdlib/issues/detail?id=104
- http://code.google.com/p/pyftpdlib/issues/detail?id=105
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
- http://code.google.com/p/pyftpdlib/source/detail?r=556
- http://code.google.com/p/pyftpdlib/source/diff?spec=svn556&r=556&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
Timeline
- Published
- Oct 19, 2010
- Last modified
- Jun 16, 2026
- NVD status
- Modified