GitHub Advisoryadvisory · PyPI

GHSA-mpg6-rgp4-35rr Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in pyftpdlib

MEDIUM Published 2022-05-02 Modified 2024-10-14 Official page ↗
Aliases
CVE-2009-5010
Ecosystem
PyPI
Packages
pyftpdlib
Severity
Moderate
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Weaknesses
CWE-362
Reviewed
2022-06-17

Affected packages

• PyPI pyftpdlib: < 0.5.1 → fixed in 0.5.1

Description

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.

Related

Alias · CVE (1)

  • 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… vulnerability

Weakness · CWE (1)

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness

References