ubuntu-cve-2016-7543
Vulnerability from osv_ubuntu
Published
2017-01-19 00:00
Modified
2025-09-08 16:43
Summary
Details

Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.

Severity
8.4 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bash",
            "binary_version": "4.3-7ubuntu1.7"
          },
          {
            "binary_name": "bash-builtins",
            "binary_version": "4.3-7ubuntu1.7"
          },
          {
            "binary_name": "bash-static",
            "binary_version": "4.3-7ubuntu1.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "bash",
        "purl": "pkg:deb/ubuntu/bash@4.3-7ubuntu1.7?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3-7ubuntu1.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.2-5ubuntu3",
        "4.3-1ubuntu2",
        "4.3-2ubuntu1",
        "4.3-3ubuntu1",
        "4.3-4ubuntu1",
        "4.3-4ubuntu2",
        "4.3-6ubuntu1",
        "4.3-7ubuntu1",
        "4.3-7ubuntu1.1",
        "4.3-7ubuntu1.2",
        "4.3-7ubuntu1.3",
        "4.3-7ubuntu1.4",
        "4.3-7ubuntu1.5",
        "4.3-7ubuntu1.6"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bash",
            "binary_version": "4.3-14ubuntu1.2"
          },
          {
            "binary_name": "bash-builtins",
            "binary_version": "4.3-14ubuntu1.2"
          },
          {
            "binary_name": "bash-static",
            "binary_version": "4.3-14ubuntu1.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "bash",
        "purl": "pkg:deb/ubuntu/bash@4.3-14ubuntu1.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3-14ubuntu1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.3-14ubuntu1",
        "4.3-14ubuntu1.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.",
  "id": "UBUNTU-CVE-2016-7543",
  "modified": "2025-09-08T16:43:52Z",
  "published": "2017-01-19T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-7543"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2016/09/26/9"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3294-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3294-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-7543"
    }
  ],
  "related": [
    "USN-3294-1",
    "USN-3294-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-7543"
  ]
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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