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CVE-2010-4221 (GCVE-0-2010-4221)

Vulnerability from cvelistv5 – Published: 2010-11-09 20:00 – Updated: 2024-08-07 03:34
VLAI
Summary
Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
http://www.proftpd.org/docs/NEWS-1.3.3c x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.zerodayinitiative.com/advisories/ZDI-10-229/ x_refsource_MISC
http://secunia.com/advisories/42217 third-party-advisoryx_refsource_SECUNIA
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.vupen.com/english/advisories/2010/2941 vdb-entryx_refsource_VUPEN
http://www.vupen.com/english/advisories/2010/2962 vdb-entryx_refsource_VUPEN
http://secunia.com/advisories/42052 third-party-advisoryx_refsource_SECUNIA
http://bugs.proftpd.org/show_bug.cgi?id=3521 x_refsource_CONFIRM
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.securityfocus.com/bid/44562 vdb-entryx_refsource_BID
http://www.vupen.com/english/advisories/2010/2959 vdb-entryx_refsource_VUPEN
Date Public
2010-10-29 00:00
Show details on NVD website

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      "sourceIdentifier": "cve@mitre.org",
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          },
          {
            "lang": "es",
            "value": "M\u00faltiples desbordamientos de b\u00fafer basados en pila en la funci\u00f3n pr_netio_telnet_gets en netio.c en ProFTPD anterior v1.3.3c permite a atacantes remotos ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de vectores que involucran un caracter escape TELNET IAC en servidores (1) FTP o (2) FTPS."
          }
        ],
        "id": "CVE-2010-4221",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
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              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 10.0,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
                "version": "2.0"
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              "exploitabilityScore": 10.0,
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              "source": "nvd@nist.gov",
              "type": "Primary",
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        "published": "2010-11-09T21:00:06.383",
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            "url": "http://bugs.proftpd.org/show_bug.cgi?id=3521"
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    },
    "redhat_vex": {
      "current_release_date": "2025-11-21T13:01:32+00:00",
      "cve": "CVE-2010-4221",
      "id": "CVE-2010-4221",
      "initial_release_date": "2010-10-29T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "proftpd: multiple stack-based buffer overflows in pr_netio_telnet_gets()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2010/cve-2010-4221.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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