{"id":"GHSA-hw4g-fhcp-x5mq","summary":"Concurrent Execution using Shared Resource with Improper Synchronization in pyftpdlib","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","PYSEC-2010-11"],"modified":"2024-10-21T21:05:53.910829Z","published":"2022-05-17T05:47:39Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2022-07-08T18:48:45Z","nvd_published_at":"2010-10-19T20:00:00Z","cwe_ids":["CWE-362"],"severity":"HIGH"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2010-3494"},{"type":"WEB","url":"https://bugs.launchpad.net/zodb/+bug/135108"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-hw4g-fhcp-x5mq"},{"type":"PACKAGE","url":"https://github.com/giampaolo/pyftpdlib"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-11.yaml"},{"type":"WEB","url":"http://bugs.python.org/issue6706"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/issues/detail?id=104"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/issues/detail?id=105"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/source/detail?r=556"},{"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://www.openwall.com/lists/oss-security/2010/09/09/6"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2010/09/11/2"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2010/09/22/3"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2010/09/24/3"}],"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/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-hw4g-fhcp-x5mq/GHSA-hw4g-fhcp-x5mq.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}