usn-4451-1
Vulnerability from osv_ubuntu
Published
2020-08-04 17:21
Modified
2026-04-22 07:36
Summary
ppp vulnerability
Details

Thomas Chauchefoin working with Trend Micro´s Zero Day Initiative, discovered that ppp incorrectly handled module loading. A local attacker could use this issue to load arbitrary kernel modules and possibly execute arbitrary code.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-15704",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ppp",
            "binary_version": "2.4.7-1+2ubuntu1.16.04.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "ppp",
        "purl": "pkg:deb/ubuntu/ppp@2.4.7-1+2ubuntu1.16.04.3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.7-1+2ubuntu1.16.04.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.6-3.1ubuntu1",
        "2.4.7-1+1ubuntu1",
        "2.4.7-1+2ubuntu1",
        "2.4.7-1+2ubuntu1.16.04.1",
        "2.4.7-1+2ubuntu1.16.04.2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-15704",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ppp",
            "binary_version": "2.4.7-2+2ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "ppp",
        "purl": "pkg:deb/ubuntu/ppp@2.4.7-2+2ubuntu1.3?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.7-2+2ubuntu1.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.7-1+2ubuntu1",
        "2.4.7-1+4ubuntu1",
        "2.4.7-1+4ubuntu3",
        "2.4.7-2+1ubuntu1",
        "2.4.7-2+2ubuntu1",
        "2.4.7-2+2ubuntu1.1",
        "2.4.7-2+2ubuntu1.2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-15704",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ppp",
            "binary_version": "2.4.7-2+4.1ubuntu5.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "ppp",
        "purl": "pkg:deb/ubuntu/ppp@2.4.7-2+4.1ubuntu5.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.7-2+4.1ubuntu5.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.7-2+4.1ubuntu4",
        "2.4.7-2+4.1ubuntu5"
      ]
    }
  ],
  "aliases": [],
  "details": "Thomas Chauchefoin working with Trend Micro\u00b4s Zero Day Initiative,\ndiscovered that ppp incorrectly handled module loading. A local attacker\ncould use this issue to load arbitrary kernel modules and possibly execute\narbitrary code.\n",
  "id": "USN-4451-1",
  "modified": "2026-04-22T07:36:39Z",
  "published": "2020-08-04T17:21:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4451-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-15704"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "ppp vulnerability",
  "upstream": [
    "UBUNTU-CVE-2020-15704"
  ]
}



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