GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

FKIE_CVE-2013-2178

Vulnerability from fkie_nvd - Published: 2013-08-28 23:55 - Updated: 2026-06-16 23:52
Severity
Summary
The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2014-03/msg00021.html
secalert@redhat.comhttp://www.debian.org/security/2013/dsa-2708
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2013/06/13/7
secalert@redhat.comhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17338
secalert@redhat.comhttps://raw.github.com/fail2ban/fail2ban/master/ChangeLog
secalert@redhat.comhttps://vndh.net/note:fail2ban-089-denial-service
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2014-03/msg00021.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2013/dsa-2708
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/06/13/7
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17338
af854a3a-2127-422b-91ae-364da2661108https://raw.github.com/fail2ban/fail2ban/master/ChangeLog
af854a3a-2127-422b-91ae-364da2661108https://vndh.net/note:fail2ban-089-denial-service
Impacted products
Vendor Product Version
fail2ban fail2ban *
fail2ban fail2ban 0.1.0
fail2ban fail2ban 0.1.1
fail2ban fail2ban 0.1.2
fail2ban fail2ban 0.3.0
fail2ban fail2ban 0.3.1
fail2ban fail2ban 0.4.0
fail2ban fail2ban 0.4.1
fail2ban fail2ban 0.5.0
fail2ban fail2ban 0.5.1
fail2ban fail2ban 0.5.2
fail2ban fail2ban 0.5.3
fail2ban fail2ban 0.5.4
fail2ban fail2ban 0.5.5
fail2ban fail2ban 0.6.0
fail2ban fail2ban 0.6.1
fail2ban fail2ban 0.7.0
fail2ban fail2ban 0.7.1
fail2ban fail2ban 0.7.2
fail2ban fail2ban 0.7.3
fail2ban fail2ban 0.7.4
fail2ban fail2ban 0.7.5
fail2ban fail2ban 0.7.6
fail2ban fail2ban 0.7.7
fail2ban fail2ban 0.7.8
fail2ban fail2ban 0.7.9
fail2ban fail2ban 0.8.0
fail2ban fail2ban 0.8.1
fail2ban fail2ban 0.8.2
fail2ban fail2ban 0.8.3
fail2ban fail2ban 0.8.4
fail2ban fail2ban 0.8.5
fail2ban fail2ban 0.8.6
fail2ban fail2ban 0.8.7
fail2ban fail2ban 0.8.7.1
fail2ban fail2ban 0.8.8
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "249E5D85-A069-4C8C-9F4D-574DFA293EE9",
              "versionEndIncluding": "0.8.9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "7750E527-5A05-4716-BF4A-B40EA9E34394",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.1.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "FA9C7EF4-DA9B-4ADF-A044-2AC8A2FC270F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.1.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "0FCFD263-E347-43DD-80A6-D222FCEF23D4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.3.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "64A0FEBA-647F-41F4-8590-7E8C7A49A36D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.3.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "40BBF7B9-57DB-4479-B2C3-8EB466185E94",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D7847766-CF03-4BF1-BE69-09C50AEC3DFC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.4.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "E004A754-3CCB-409D-B13A-DF735ED63971",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "ADF9F5C0-7E85-40AC-A7AA-7442749E48D6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.5.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "2331299E-1834-4853-B38B-9E24A364EC62",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.5.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "AA9B27B6-418F-4101-A4A1-6E887BF0BB39",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.5.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "2B6C2141-12A6-428A-9223-A0CA743BC020",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.5.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "A0468228-10A0-4F72-BE85-D50ED3AA10B4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.5.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "B73E5BBF-3755-4DC8-840F-2466BB2B280D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.6.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "880958EA-3BE3-4F16-B323-3CA878BEB3A6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.6.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB79FF61-80D6-4AB8-BC6F-6924AF9A0969",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.7.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "66BAD83B-AACD-4BCE-8900-8558C6F82D7C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.7.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "719BA249-7B47-488E-86BA-C08286FF8772",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.7.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "A88DA08A-A1C6-4BC1-9BC1-BE823207BFA5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.7.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "CD346590-84C5-473E-9672-2E920C71B7FD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.7.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "F288E708-A212-4007-A32A-3608C56C5F7B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.7.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "CF7EEF2A-DC72-4F51-B168-237EFA637988",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.7.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "0D366BB8-A4FB-44CC-94BE-3C3BA3861C91",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.7.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "114BC59D-4035-4BC6-B697-9D10415CBDD9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.7.8:*:*:*:*:*:*:*",
              "matchCriteriaId": "CB94274B-C1AF-4F87-B244-7BA4526F5D1E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.7.9:*:*:*:*:*:*:*",
              "matchCriteriaId": "98844A94-ABB6-41B4-A5B0-3101F54A3652",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "3F522ECF-7F87-4A25-9CF3-0BCD99B4CAEB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.8.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "AFEB99EB-DA51-48BB-96BD-4D47D8839C75",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.8.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "E29B3199-71BB-4EED-9D91-B6F941AD7BAC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.8.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "BE8CF239-5E91-4708-B594-FA825C69DFE9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.8.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "2DB5D2A5-78E3-49C0-9A8D-397B21E03E26",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.8.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "FFFCA848-72E8-4E33-A636-3D9009AAF870",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.8.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "A97A9988-C973-4ACF-BD37-570004F1AD38",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.8.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "BF73708F-4237-47BA-83B8-5999EED0EC28",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.8.7.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "B343D0B4-9A4C-4F33-AC91-7CF1E1CC7708",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.8.8:*:*:*:*:*:*:*",
              "matchCriteriaId": "BDE0D31A-A9C2-48FF-B8FA-E65DDF6A9F7A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request."
    },
    {
      "lang": "es",
      "value": "Los ficheros de configuraci\u00f3n apache-auth.conf, apache-nohome.conf, apache-noscript.conf, y apache-overflows.conf en Fail2ban anterior a v0.8.10 no valida correctamente los mensajes de registro, lo que permite a atacantes remotos bloquear direcciones IP arbitrarias a trav\u00e9s de ciertos mensajes en una solicitud."
    }
  ],
  "id": "CVE-2013-2178",
  "lastModified": "2026-06-16T23:52:53.637",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2013-08-28T23:55:10.597",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-updates/2014-03/msg00021.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.debian.org/security/2013/dsa-2708"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.openwall.com/lists/oss-security/2013/06/13/7"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17338"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://raw.github.com/fail2ban/fail2ban/master/ChangeLog"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://vndh.net/note:fail2ban-089-denial-service"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-updates/2014-03/msg00021.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2013/dsa-2708"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2013/06/13/7"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17338"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://raw.github.com/fail2ban/fail2ban/master/ChangeLog"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://vndh.net/note:fail2ban-089-denial-service"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.