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CVE-2009-2702

Estado: ModificadaAlta (7.5)—

KDE KSSL in kdelibs 3.5.4, 4.2.4, and 4.3 does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

KDE — Kdelibs

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-2702",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "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": "2009-09-08T18:30:00.280",
  "references": [
    {
      "url": "http://secunia.com/advisories/36468",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:330",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:162",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/2532",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=520661",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/36468",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:330",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:162",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/2532",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=520661",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "KDE KSSL in kdelibs 3.5.4, 4.2.4, and 4.3 does not properly handle a '\\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408."
    },
    {
      "lang": "es",
      "value": "KDE KSSL en kdelibs v3.5.4, v4.2.4, y v4.3 no maneja apropiadamente un carácter '\\0' en un nombre de dominio en el campo Nombre de Asunto Alternativo de un certificado X.509, lo que permite a los atacantes \"hombre en el medio\" suplantar un servidor SLL a través de certificados manipulados emitido por una Autoridad Certificadora legítima, un asunto relativo a  CVE-2009-2408."
    }
  ],
  "lastModified": "2026-06-16T23:10:04.173",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kde:kdelibs:3.5.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EF92CC57-A136-4018-A350-44B8416E2111"
            },
            {
              "criteria": "cpe:2.3:a:kde:kdelibs:4.2.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D9184861-CD72-403A-B217-E58F7375D156"
            },
            {
              "criteria": "cpe:2.3:a:kde:kdelibs:4.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6DEE716D-C9EA-4BEB-9B60-A4C4512D9DF2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Red Hat is aware of this issue and is tracking it via the following bug:\nhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-2702\n\nThis issue did not affect kdelibs packages as shipped in Red Hat Enterprise Linux 3 and 4.\n\nThe Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw in Red Hat Enterprise Linux 5.",
      "lastModified": "2009-09-18T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}