FKIE_CVE-2013-0238

Vulnerability from fkie_nvd - Published: 2013-02-13 01:55 - Updated: 2026-06-16 23:49
Severity
Summary
The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed.
References
secalert@redhat.comhttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267
secalert@redhat.comhttp://osvdb.org/89623
secalert@redhat.comhttp://secunia.com/advisories/51948Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/52106Vendor Advisory
secalert@redhat.comhttp://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786&r2=1785&pathrev=1786
secalert@redhat.comhttp://www.debian.org/security/2013/dsa-2618
secalert@redhat.comhttp://www.exploit-db.com/exploits/24951
secalert@redhat.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2013:093
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2013/01/29/8
secalert@redhat.comhttp://www.securityfocus.com/bid/57610
secalert@redhat.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/81695
secalert@redhat.comhttps://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055
af854a3a-2127-422b-91ae-364da2661108http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/89623
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/51948Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/52106Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786&r2=1785&pathrev=1786
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2013/dsa-2618
af854a3a-2127-422b-91ae-364da2661108http://www.exploit-db.com/exploits/24951
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2013:093
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/01/29/8
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/57610
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/81695
af854a3a-2127-422b-91ae-364da2661108https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055
Impacted products
Vendor Product Version
ircd-hybrid ircd-hybrid *
ircd-hybrid ircd-hybrid 7.2.0
ircd-hybrid ircd-hybrid 7.2.1
ircd-hybrid ircd-hybrid 7.2.2
ircd-hybrid ircd-hybrid 7.2.3
ircd-hybrid ircd-hybrid 7.3.0
ircd-hybrid ircd-hybrid 7.3.0
ircd-hybrid ircd-hybrid 7.3.1
ircd-hybrid ircd-hybrid 8.0.0
ircd-hybrid ircd-hybrid 8.0.0
ircd-hybrid ircd-hybrid 8.0.0
ircd-hybrid ircd-hybrid 8.0.0
ircd-hybrid ircd-hybrid 8.0.0
ircd-hybrid ircd-hybrid 8.0.1
ircd-hybrid ircd-hybrid 8.0.2
ircd-hybrid ircd-hybrid 8.0.3
ircd-hybrid ircd-hybrid 8.0.4
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:ircd-hybrid:ircd-hybrid:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "86C8A0C8-4746-4A32-AEAF-6E1E0DC6F91A",
              "versionEndIncluding": "8.0.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "F5CB5086-4F61-4333-AAE3-5D7A8BFC4C61",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "9A014594-6C4F-44FE-AD2C-EFB68A07FBE6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "889E8F76-753E-4E71-B905-D0A481085486",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "456247AA-A2E9-4D74-BFCC-3F7FC86A7EFF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "2A461012-E529-4980-8DA6-4338E21315D1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "625ACA9D-463D-40E0-B21C-AB0B5F8B5645",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "53C1B4F8-3352-4972-9DCF-694741038432",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "1DAA4B35-BA16-4B3D-87FD-3D0FEE6CC2D7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta1:*:*:*:*:*:*",
              "matchCriteriaId": "164F43EA-2C8C-44DD-9557-8E3E19A0E709",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta2:*:*:*:*:*:*",
              "matchCriteriaId": "1F17DC13-1E65-44CB-B281-03F21B205334",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta3:*:*:*:*:*:*",
              "matchCriteriaId": "4B6E867B-2586-4B10-AA21-1ECD2345847F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "9149286A-AA6F-4E67-931E-40F910DCE20C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "F56A5EF1-5E14-42AB-88E7-EF6C3A9CC09E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "6B408E49-A6FE-4C23-9A8F-5FB88B8F9D94",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "D134E3FA-BAE8-47DB-A88E-01F005D7983B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "E9C74B4A-6040-48CA-9165-6C8BCAB45CB5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n try_parse_v4_netmask en hostmask.c en IRCD-Hybrid anteriores a v8.0.6 no valida adecuadamente las mascaras, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de una mascara que causa un n\u00famero negativo a analizar."
    }
  ],
  "id": "CVE-2013-0238",
  "lastModified": "2026-06-16T23:49:01.840",
  "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": "2013-02-13T01:55:04.090",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://osvdb.org/89623"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/51948"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/52106"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786\u0026r2=1785\u0026pathrev=1786"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.debian.org/security/2013/dsa-2618"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.exploit-db.com/exploits/24951"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:093"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.openwall.com/lists/oss-security/2013/01/29/8"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/57610"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/81695"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/89623"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/51948"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/52106"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786\u0026r2=1785\u0026pathrev=1786"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2013/dsa-2618"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.exploit-db.com/exploits/24951"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:093"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2013/01/29/8"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/57610"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/81695"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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