GHSA-HW4G-FHCP-X5MQ

Vulnerability from github – Published: 2022-05-17 05:47 – Updated: 2024-10-21 20:26
VLAI?
Summary
Concurrent Execution using Shared Resource with Improper Synchronization 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 accept function having an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pyftpdlib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2010-3494"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-07-08T18:48:45Z",
    "nvd_published_at": "2010-10-19T20:00:00Z",
    "severity": "HIGH"
  },
  "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 accept function having an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.",
  "id": "GHSA-hw4g-fhcp-x5mq",
  "modified": "2024-10-21T20:26:55Z",
  "published": "2022-05-17T05:47:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2010-3494"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/zodb/+bug/135108"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-hw4g-fhcp-x5mq"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/giampaolo/pyftpdlib"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-11.yaml"
    },
    {
      "type": "WEB",
      "url": "http://bugs.python.org/issue6706"
    },
    {
      "type": "WEB",
      "url": "http://code.google.com/p/pyftpdlib/issues/detail?id=104"
    },
    {
      "type": "WEB",
      "url": "http://code.google.com/p/pyftpdlib/issues/detail?id=105"
    },
    {
      "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=556"
    },
    {
      "type": "WEB",
      "url": "http://code.google.com/p/pyftpdlib/source/diff?spec=svn556\u0026r=556\u0026format=side\u0026path=/trunk/pyftpdlib/ftpserver.py"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2010/09/09/6"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2010/09/11/2"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2010/09/22/3"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2010/09/24/3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Concurrent Execution using Shared Resource with Improper Synchronization in pyftpdlib"
}


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