FKIE_CVE-2016-10011

Vulnerability from fkie_nvd - Published: 2017-01-05 02:59 - Updated: 2026-06-17 00:38
Summary
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.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/12/19/2Mailing List, Release Notes
cve@mitre.orghttp://www.securityfocus.com/bid/94977
cve@mitre.orghttp://www.securitytracker.com/id/1037490
cve@mitre.orghttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2017:2029
cve@mitre.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
cve@mitre.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
cve@mitre.orghttps://github.com/openbsd/src/commit/ac8147a06ed2e2403fb6b9a0c03e618a9333c0e9Patch
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20171130-0002/
cve@mitre.orghttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03818en_us
cve@mitre.orghttps://www.openssh.com/txt/release-7.4
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/12/19/2Mailing List, Release Notes
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/94977
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037490
af854a3a-2127-422b-91ae-364da2661108http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:2029
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
af854a3a-2127-422b-91ae-364da2661108https://github.com/openbsd/src/commit/ac8147a06ed2e2403fb6b9a0c03e618a9333c0e9Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20171130-0002/
af854a3a-2127-422b-91ae-364da2661108https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03818en_us
af854a3a-2127-422b-91ae-364da2661108https://www.openssh.com/txt/release-7.4
Impacted products
Vendor Product Version
openbsd openssh *

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B5D52975-3CB0-4BF7-975F-66EF9BF42A06",
              "versionEndIncluding": "7.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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 b\u00fafer, lo que podr\u00eda permitir a usuarios locales obtener informaci\u00f3n sensible de clave privada aprovechando el acceso a un subproceso separado de privilegios."
    }
  ],
  "id": "CVE-2016-10011",
  "lastModified": "2026-06-17T00:38:53.813",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 6.2,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2016-10011",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-29T20:19:02.373432Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2017-01-05T02:59:03.120",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Release Notes"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/12/19/2"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/94977"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id/1037490"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security\u0026y=2016\u0026m=slackware-security.647637"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2017:2029"
    },
    {
      "source": "cve@mitre.org",
      "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"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/openbsd/src/commit/ac8147a06ed2e2403fb6b9a0c03e618a9333c0e9"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://security.netapp.com/advisory/ntap-20171130-0002/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03818en_us"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.openssh.com/txt/release-7.4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Release Notes"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/12/19/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/94977"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1037490"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security\u0026y=2016\u0026m=slackware-security.647637"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2017:2029"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/openbsd/src/commit/ac8147a06ed2e2403fb6b9a0c03e618a9333c0e9"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.netapp.com/advisory/ntap-20171130-0002/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03818en_us"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.openssh.com/txt/release-7.4"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-320"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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