FKIE_CVE-2016-7543

Vulnerability from fkie_nvd - Published: 2017-01-19 20:59 - Updated: 2026-06-17 00:53
Severity
8.4 (High) - CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.
References
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2017-0725.html
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/09/26/9Mailing List, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/93183Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1037812
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2017:1931
cve@mitre.orghttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/
cve@mitre.orghttps://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.htmlPatch, Vendor Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/201701-02Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2017-0725.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/09/26/9Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/93183Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037812
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:1931
af854a3a-2127-422b-91ae-364da2661108https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05388115
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7XOQSHU63Y357NHU5FPTFBM6I3YOCQB/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/
af854a3a-2127-422b-91ae-364da2661108https://lists.gnu.org/archive/html/bug-bash/2016-09/msg00018.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201701-02Third Party Advisory
Impacted products
Vendor Product Version
gnu bash *
fedoraproject fedora 23
fedoraproject fedora 24
fedoraproject fedora 25
To clipboard 

{
  "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:gnu:bash:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F4DBE402-1B0A-4854-ABE5-891321454C25",
              "versionEndIncluding": "4.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*",
              "matchCriteriaId": "E79AB8DD-C907-4038-A931-1A5A4CFB6A5B",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "C729D5D1-ED95-443A-9F53-5D7C2FD9B80C",
              "vulnerable": true
            },
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              "matchCriteriaId": "772E9557-A371-4664-AE2D-4135AAEB89AA",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables."
    },
    {
      "lang": "es",
      "value": "Bash en versiones anteriores a 4.4 permite a usuarios locales ejecutar comandos arbitrarios con privilegios root a trav\u00e9s de variables de entorno SHELLOPTS y PS4 manipuladas."
    }
  ],
  "id": "CVE-2016-7543",
  "lastModified": "2026-06-17T00:53:13.447",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-01-19T20:59:00.470",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://rhn.redhat.com/errata/RHSA-2017-0725.html"
    },
    {
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    },
    {
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      "url": "http://www.securitytracker.com/id/1037812"
    },
    {
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      "url": "https://access.redhat.com/errata/RHSA-2017:1931"
    },
    {
      "source": "cve@mitre.org",
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    },
    {
      "source": "cve@mitre.org",
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    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2VRBSIPZDZ75ZQ2DLITHUIDW4W26KVR/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Vendor Advisory"
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    },
    {
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      ],
      "url": "https://security.gentoo.org/glsa/201701-02"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://rhn.redhat.com/errata/RHSA-2017-0725.html"
    },
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "http://www.securityfocus.com/bid/93183"
    },
    {
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      "url": "http://www.securitytracker.com/id/1037812"
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    {
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
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    },
    {
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      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/"
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Sightings

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Nomenclature

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