GHSA-hw4g-fhcp-x5mqHighCVSS 7.5
Concurrent Execution using Shared Resource with Improper Synchronization in pyftpdlib
🔗 CVE IDs covered (1)
📋 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.
🎯 Affected products1
- pip/pyftpdlib:< 0.5.2
🔗 References (14)
- https://nvd.nist.gov/vuln/detail/CVE-2010-3494
- https://bugs.launchpad.net/zodb/+bug/135108
- http://bugs.python.org/issue6706
- 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/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://github.com/advisories/GHSA-hw4g-fhcp-x5mq
- https://github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-11.yaml
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
- http://code.google.com/p/pyftpdlib/source/detail?r=556