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CVE-2017-7436

Estado: ModificadaAlta (8.1)—

In libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to man in the middle or malicious servers to inject malicious RPM packages into a users system.

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)

Opensuse — Libzypp

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-7436",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "security@opentext.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.2
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "security@opentext.com",
      "affectedData": [
        {
          "vendor": "SUSE",
          "product": "libzypp",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "20170803",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-03-01T20:29:00.693",
  "references": [
    {
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1038984",
      "source": "security@opentext.com"
    },
    {
      "url": "https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html",
      "source": "security@opentext.com"
    },
    {
      "url": "https://www.suse.com/de-de/security/cve/CVE-2017-7436/",
      "source": "security@opentext.com"
    },
    {
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1038984",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.suse.com/de-de/security/cve/CVE-2017-7436/",
      "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": "In libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to man in the middle or malicious servers to inject malicious RPM packages into a users system."
    },
    {
      "lang": "es",
      "value": "En libzypp, en versiones anteriores a la 20170803, fue posible recuperar paquetes no firmados sin avisar al usuario. Esto podía resultar en que un atacante Man-in-the-Middle (MitM) o servidores maliciosos inyectasen paquetes RPM maliciosos en el sistema de un usuario."
    }
  ],
  "lastModified": "2026-06-17T01:24:21.050",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opensuse:libzypp:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4CAACEA3-7214-40A7-B212-DE6BED99F2C7",
              "versionEndIncluding": "16.15.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@opentext.com"
}