4.3

CVE-2009-5011

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 getpeername function having an ENOTCONN error, a different vulnerability than CVE-2010-3494.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
G.RodolaPyftpdlib Version <= 0.5.1
G.RodolaPyftpdlib Version0.1
G.RodolaPyftpdlib Version0.1.1
G.RodolaPyftpdlib Version0.2.0
G.RodolaPyftpdlib Version0.3.0
G.RodolaPyftpdlib Version0.4.0
G.RodolaPyftpdlib Version0.5.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.93% 0.561
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://code.google.com/p/pyftpdlib/issues/detail?id=100
http://code.google.com/p/pyftpdlib/source/detail?r=543
http://code.google.com/p/pyftpdlib/source/diff?spec=svn543&r=543&format=side&path=/trunk/pyftpdlib/ftpserver.py