4.3

CVE-2009-5010

Race condition in the FTPHandler class in ftpserver.py in pyftpdlib before 0.5.1 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 return value of None, a different vulnerability than CVE-2010-3494.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
G.Rodola ≫ Pyftpdlib Version <= 0.5.0
G.Rodola ≫ Pyftpdlib Version0.1
G.Rodola ≫ Pyftpdlib Version0.1.1
G.Rodola ≫ Pyftpdlib Version0.2.0
G.Rodola ≫ Pyftpdlib Version0.3.0
G.Rodola ≫ Pyftpdlib Version0.4.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.36% 0.682
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
http://bugs.python.org/issue6706
Patch
http://code.google.com/p/pyftpdlib/issues/detail?id=91
http://code.google.com/p/pyftpdlib/source/detail?r=439
http://code.google.com/p/pyftpdlib/source/diff?spec=svn439&r=439&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://bugs.launchpad.net/zodb/+bug/135108