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.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 UNKNOWN
NETWORK
MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 61%
VendorProductVersion
g.rodolapyftpdlib
𝑥
≤ 0.5.1
g.rodolapyftpdlib
0.1
g.rodolapyftpdlib
0.1.1
g.rodolapyftpdlib
0.2.0
g.rodolapyftpdlib
0.3.0
g.rodolapyftpdlib
0.4.0
g.rodolapyftpdlib
0.5.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
python-pyftpdlib
bullseye
1.5.4-2
fixed
bookworm
1.5.7-3
fixed
sid
1.5.9-2
fixed
trixie
1.5.9-2
fixed
Common Weakness Enumeration
References
http://code.google.com/p/pyftpdlib/issues/detail?id=100
http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
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
http://code.google.com/p/pyftpdlib/issues/detail?id=100
http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
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