CVE-2009-5013: Uncontrolled Resource Consumption in pyftpdlib

CVE-2009-5013 · Severity: medium · CVSS 4 · Published 2010-10-19

Memory leak in the on_dtp_close function in ftpserver.py in pyftpdlib before 0.5.2 allows remote authenticated users to cause a denial of service (memory consumption) by sending a QUIT command during a data transfer.

Technologies: pyftpdlib (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2009-5013 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2009-5013 being exploited in the wild.
How severe is CVE-2009-5013?
Medium severity, with a CVSS score of 4, published 19 October 2010.
Which products and versions are affected?
pyftpdlib (PyPI) ECOSYSTEM:introduced=0,fixed=0.5.2.
Is there a fix for CVE-2009-5013?
Yes. pyftpdlib (PyPI): upgrade to 0.5.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2009-5013?
Check whether you run pyftpdlib (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • pyftpdlib (PyPI): upgrade to 0.5.2 or later
    pip install "pyftpdlib>=0.5.2"

Affected products

  • pyftpdlib (PyPI) ECOSYSTEM:introduced=0,fixed=0.5.2

Identifiers

  • CVE-2009-5013
  • GHSA-8gv6-x88p-3f6h
  • PYSEC-2010-10

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