FKIE_CVE-2007-5226

Vulnerability from fkie_nvd - Published: 2007-10-05 21:17 - Updated: 2026-06-16 22:45
Severity
Summary
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.
References
secalert@redhat.comhttp://dircproxy.securiweb.net/ticket/89
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=319301
af854a3a-2127-422b-91ae-364da2661108http://dircproxy.securiweb.net/ticket/89
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=319301
Impacted products
Vendor Product Version
dircproxy dircproxy *
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:dircproxy:dircproxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BCB18039-944E-457E-97A6-FF4C82EDE7CA",
              "versionEndIncluding": "1.2.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi."
    },
    {
      "lang": "es",
      "value": "irc_server.c en dircproxy 1.2.0 y anteriores permite a atacantes remotos validados provocar denegaci\u00f3n de servicio (fallo de segmentaci\u00f3n) a trav\u00e9s de un comando ACTION sin un par\u00e1metro, el cual dispara un puntero de referencia NULL, como se demostr\u00f3 utilizando un mensaje en blanco /me desde irssi."
    }
  ],
  "id": "CVE-2007-5226",
  "lastModified": "2026-06-16T22:45:41.017",
  "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": "2007-10-05T21:17:00.000",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://dircproxy.securiweb.net/ticket/89"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=319301"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://dircproxy.securiweb.net/ticket/89"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=319301"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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