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Security Advisories: GSA_kwCzR0hTQS1tcGc2LXJncDQtMzVycs3Rrg
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in pyftpdlib
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.
Permalink: https://github.com/advisories/GHSA-mpg6-rgp4-35rrJSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1tcGc2LXJncDQtMzVycs3Rrg
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 2 years ago
Updated: about 1 year ago
Identifiers: GHSA-mpg6-rgp4-35rr, CVE-2009-5010
References:
- https://nvd.nist.gov/vuln/detail/CVE-2009-5010
- https://bugs.launchpad.net/zodb/+bug/135108
- http://bugs.python.org/issue6706
- http://code.google.com/p/pyftpdlib/issues/detail?id=91
- 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://github.com/advisories/GHSA-mpg6-rgp4-35rr
- https://github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-7.yaml
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
- 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
Affected Packages
pypi:pyftpdlib
Dependent packages: 21Dependent repositories: 326
Downloads: 233,269 last month
Affected Version Ranges: <= 0.5.0
Fixed in: 0.5.1
All affected versions: 0.2.0, 0.3.0, 0.4.0, 0.5.0
All unaffected versions: 0.5.1, 0.5.2, 0.6.0, 0.7.0, 1.0.0, 1.0.1, 1.1.0, 1.2.0, 1.3.0, 1.3.1, 1.4.0, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.5.6, 1.5.7, 1.5.8, 1.5.9