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CVE-2007-6122

Status: ModifiedMedium (5)—

The default_encrypt function in encrypt.c in IRC Services before 5.0.63, and 5.1.x before 5.1.7, allows remote attackers to cause a denial of service (daemon crash) via a long password. NOTE: some of these details are obtained from third party information.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2007-6122",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-11-26T22:46:00.000",
  "references": [
    {
      "url": "http://bugs.gentoo.org/show_bug.cgi?id=199897",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.ircservices.za.net/pipermail/ircservices/2007/005558.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.ircservices.za.net/pipermail/ircservices/2007/005564.html",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/27761",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/28090",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200712-12.xml",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ircservices.za.net/Changes.txt",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/26517",
      "tags": [
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      "source": "cve@mitre.org"
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      "url": "http://www.vupen.com/english/advisories/2007/3959",
      "source": "cve@mitre.org"
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    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/38591",
      "source": "cve@mitre.org"
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.ircservices.za.net/Changes.txt",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
        "Patch"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/3959",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/38591",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The default_encrypt function in encrypt.c in IRC Services before 5.0.63, and 5.1.x before 5.1.7, allows remote attackers to cause a denial of service (daemon crash) via a long password.  NOTE: some of these details are obtained from third party information."
    },
    {
      "lang": "es",
      "value": "La función default_encrypt de encrypt.c de IRC Services versiones anteriores a 5.0.63 y 5.1.x versiones anteriores a 5.1.7, permite a atacantes remotos  provocar una denegación de servicio (caída de demonio) mediante una contraseña larga.\r\nNOTA: algunos de estos detalles se han obtenido de información de terceros."
    }
  ],
  "lastModified": "2026-06-16T22:47:27.107",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "C3080F9E-8899-42E6-BB64-BF367D4362B1",
              "versionEndIncluding": "5.0.62"
            },
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              "vulnerable": true,
              "matchCriteriaId": "71BF7A07-542B-4FDA-AA9D-ED9B1D15A9FB",
              "versionEndIncluding": "5.1.7"
            }
          ],
          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}