ubuntu-cve-2016-7076
Vulnerability from osv_ubuntu
Published
2018-05-29 00:00
Modified
2025-09-08 16:43
Summary
Details

sudo before version 1.8.18p1 is vulnerable to a bypass in the sudo noexec restriction if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "sudo",
            "binary_version": "1.8.9p5-1ubuntu1.5+esm5"
          },
          {
            "binary_name": "sudo-ldap",
            "binary_version": "1.8.9p5-1ubuntu1.5+esm5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "sudo",
        "purl": "pkg:deb/ubuntu/sudo@1.8.9p5-1ubuntu1.5+esm5?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.8.9p5-1ubuntu1.5+esm5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.6p3-0ubuntu3",
        "1.8.8-2ubuntu1",
        "1.8.8-2ubuntu2",
        "1.8.9p4-1ubuntu1",
        "1.8.9p4-1ubuntu2",
        "1.8.9p5-1ubuntu1",
        "1.8.9p5-1ubuntu1.1",
        "1.8.9p5-1ubuntu1.2",
        "1.8.9p5-1ubuntu1.3",
        "1.8.9p5-1ubuntu1.4",
        "1.8.9p5-1ubuntu1.5+esm1",
        "1.8.9p5-1ubuntu1.5+esm2",
        "1.8.9p5-1ubuntu1.5+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "sudo",
            "binary_version": "1.8.16-0ubuntu1.6"
          },
          {
            "binary_name": "sudo-ldap",
            "binary_version": "1.8.16-0ubuntu1.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "sudo",
        "purl": "pkg:deb/ubuntu/sudo@1.8.16-0ubuntu1.6?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.8.16-0ubuntu1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.12-1ubuntu3",
        "1.8.16-0ubuntu1",
        "1.8.16-0ubuntu1.1",
        "1.8.16-0ubuntu1.2",
        "1.8.16-0ubuntu1.3",
        "1.8.16-0ubuntu1.4",
        "1.8.16-0ubuntu1.5"
      ]
    }
  ],
  "aliases": [],
  "details": "sudo before version 1.8.18p1 is vulnerable to a bypass in the sudo noexec restriction if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges.",
  "id": "UBUNTU-CVE-2016-7076",
  "modified": "2025-09-08T16:43:50Z",
  "published": "2018-05-29T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-7076"
    },
    {
      "type": "REPORT",
      "url": "https://www.sudo.ws/alerts/noexec_wordexp.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3968-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3968-3"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-7076"
    }
  ],
  "related": [
    "USN-3968-1",
    "USN-3968-3"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-7076"
  ]
}



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