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CVE-2016-10011

Estado: ModificadaMedia (6.2)—

authfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents, which might allow local users to obtain sensitive private-key information by leveraging access to a privilege-separated child process.

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)

Openbsd — Openssh

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2016-10011",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2016-10011",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-29T20:19:02.373432Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
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        "cvssData": {
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          "version": "3.1",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.5
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-01-05T02:59:03.120",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/12/19/2",
      "tags": [
        "Mailing List",
        "Release Notes"
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    {
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    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2017:2029",
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    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf",
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    },
    {
      "url": "https://github.com/openbsd/src/commit/ac8147a06ed2e2403fb6b9a0c03e618a9333c0e9",
      "tags": [
        "Patch"
      ],
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    {
      "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html",
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      "url": "https://security.netapp.com/advisory/ntap-20171130-0002/",
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      "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03818en_us",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.openssh.com/txt/release-7.4",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/12/19/2",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "https://www.openssh.com/txt/release-7.4",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-320"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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          "lang": "en",
          "value": "CWE-119"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "authfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents, which might allow local users to obtain sensitive private-key information by leveraging access to a privilege-separated child process."
    },
    {
      "lang": "es",
      "value": "authfile.c en sshd en OpenSSH en versiones anteriores a 7.4 no considera apropiadamente los efectos de realloc en el contenido de búfer, lo que podría permitir a usuarios locales obtener información sensible de clave privada aprovechando el acceso a un subproceso separado de privilegios."
    }
  ],
  "lastModified": "2026-06-17T00:38:53.813",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B5D52975-3CB0-4BF7-975F-66EF9BF42A06",
              "versionEndIncluding": "7.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}