CVEvulnerability
CVE-2010-3494
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2010-10-19
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-362
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 configurations
• g.rodola pyftpdlib (<= 0.5.1)
• g.rodola pyftpdlib 0.1
• g.rodola pyftpdlib 0.1.1
• g.rodola pyftpdlib 0.2.0
• g.rodola pyftpdlib 0.3.0
• g.rodola pyftpdlib 0.4.0
• g.rodola pyftpdlib 0.5.0
Related
Weakness · CWE (1)
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
References
- http://bugs.python.org/issue6706 Patch
- http://code.google.com/p/pyftpdlib/issues/detail?id=104 code.google.com
- http://code.google.com/p/pyftpdlib/issues/detail?id=105 code.google.com
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY code.google.com
- http://code.google.com/p/pyftpdlib/source/detail?r=556 code.google.com
- http://code.google.com/p/pyftpdlib/source/diff?spec=svn556&r=556&format=side&path=/trunk/pyftpdlib/ftpserver.py code.google.com
- http://www.openwall.com/lists/oss-security/2010/09/09/6 www.openwall.com
- http://www.openwall.com/lists/oss-security/2010/09/11/2 www.openwall.com
- http://www.openwall.com/lists/oss-security/2010/09/22/3 www.openwall.com
- http://www.openwall.com/lists/oss-security/2010/09/24/3 www.openwall.com
- https://bugs.launchpad.net/zodb/+bug/135108 bugs.launchpad.net
- http://bugs.python.org/issue6706 Patch
- http://code.google.com/p/pyftpdlib/issues/detail?id=104 code.google.com
- http://code.google.com/p/pyftpdlib/issues/detail?id=105 code.google.com
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY code.google.com
- http://code.google.com/p/pyftpdlib/source/detail?r=556 code.google.com
- http://code.google.com/p/pyftpdlib/source/diff?spec=svn556&r=556&format=side&path=/trunk/pyftpdlib/ftpserver.py code.google.com
- http://www.openwall.com/lists/oss-security/2010/09/09/6 www.openwall.com
- http://www.openwall.com/lists/oss-security/2010/09/11/2 www.openwall.com
- http://www.openwall.com/lists/oss-security/2010/09/22/3 www.openwall.com
- http://www.openwall.com/lists/oss-security/2010/09/24/3 www.openwall.com
- https://bugs.launchpad.net/zodb/+bug/135108 bugs.launchpad.net