Common Vulnerabilities and Exposures assigned an identifier CVE-2010-3494 to the following vulnerability: 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. References: [1] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3494 [2] http://www.openwall.com/lists/oss-security/2010/09/09/6 [3] http://www.openwall.com/lists/oss-security/2010/09/11/2 [4] http://www.openwall.com/lists/oss-security/2010/09/22/3 [5] http://www.openwall.com/lists/oss-security/2010/09/24/3 [6] http://bugs.python.org/issue6706 [7] https://bugs.launchpad.net/zodb/+bug/135108 [8] http://code.google.com/p/pyftpdlib/issues/detail?id=104 [9] http://code.google.com/p/pyftpdlib/issues/detail?id=105 [10] http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY [11] http://code.google.com/p/pyftpdlib/source/detail?r=556 [12] http://code.google.com/p/pyftpdlib/source/diff?spec=svn556&r=556&format=side&path=/trunk/pyftpdlib/ftpserver.py Affected versions: This issue affects the version of the pyftpdlib package, as shipped with Fedora release of 12. This issue does NOT affect the version of the pyftpdlib package, as shipped with Fedora release of 13 (relevant code part is already updated).
Created pyftpdlib tracking bugs for this issue Affects: fedora-12 [bug 646178]