GHSA-62XG-239J-VXG7

Vulnerability from github – Published: 2022-05-02 04:00 – Updated: 2024-10-15 16:14
VLAI?
Summary
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in pyftpdlib
Details

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.

Severity ?
6.3 (Medium)
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
Show details on source website
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.5.1"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "pyftpdlib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2009-5011"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-06-17T22:28:38Z",
    "nvd_published_at": "2010-10-19T20:00:00Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-62xg-239j-vxg7",
  "modified": "2024-10-15T16:14:02Z",
  "published": "2022-05-02T04:00:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2009-5011"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/giampaolo/pyftpdlib"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-8.yaml"
    },
    {
      "type": "WEB",
      "url": "http://code.google.com/p/pyftpdlib/issues/detail?id=100"
    },
    {
      "type": "WEB",
      "url": "http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY"
    },
    {
      "type": "WEB",
      "url": "http://code.google.com/p/pyftpdlib/source/detail?r=543"
    },
    {
      "type": "WEB",
      "url": "http://code.google.com/p/pyftpdlib/source/diff?spec=svn543\u0026r=543\u0026format=side\u0026path=/trunk/pyftpdlib/ftpserver.py"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027) in pyftpdlib"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.