{"id":"PYSEC-2010-11","details":"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.","aliases":["CVE-2010-3494","GHSA-hw4g-fhcp-x5mq"],"modified":"2023-11-01T04:44:21.180222Z","published":"2010-10-19T20:00:00Z","references":[{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/source/diff?spec=svn556&r=556&format=side&path=/trunk/pyftpdlib/ftpserver.py"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/issues/detail?id=105"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/source/detail?r=556"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2010/09/24/3"},{"type":"WEB","url":"https://bugs.launchpad.net/zodb/+bug/135108"},{"type":"WEB","url":"http://bugs.python.org/issue6706"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2010/09/22/3"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2010/09/11/2"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2010/09/09/6"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/issues/detail?id=104"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-hw4g-fhcp-x5mq"}],"affected":[{"package":{"name":"pyftpdlib","ecosystem":"PyPI","purl":"pkg:pypi/pyftpdlib"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.2"}]}],"versions":["0.2.0","0.3.0","0.4.0","0.5.0","0.5.1"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/pyftpdlib/PYSEC-2010-11.yaml"}}],"schema_version":"1.7.3"}