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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.openwall.com/lists/oss-security/2010/09/11/2 ↗
- http://code.google.com/p/pyftpdlib/issues/detail?id=91 ↗
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY ↗
- https://bugs.launchpad.net/zodb/+bug/135108 ↗
- http://code.google.com/p/pyftpdlib/source/detail?r=439 ↗
- http://www.openwall.com/lists/oss-security/2010/09/24/3 ↗
- http://www.openwall.com/lists/oss-security/2010/09/22/3 ↗
- http://bugs.python.org/issue6706 ↗
- http://www.openwall.com/lists/oss-security/2010/09/09/6 ↗
- http://code.google.com/p/pyftpdlib/source/diff?spec=svn439&r=439&format=side&path=/trunk/pyftpdlib/ftpserver.py ↗