ubuntu-cve-2020-8597
Vulnerability from osv_ubuntu
Published
2020-02-03 23:15
Modified
2026-06-17 22:09
Summary
Details

eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical)
CVSS:3.1/AV:N/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": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "ppp",
            "binary_version": "2.4.5-5.1ubuntu2.3+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "ppp",
        "purl": "pkg:deb/ubuntu/ppp@2.4.5-5.1ubuntu2.3+esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.5-5.1ubuntu2.3+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.5-5.1ubuntu2",
        "2.4.5-5.1ubuntu2.1",
        "2.4.5-5.1ubuntu2.2",
        "2.4.5-5.1ubuntu2.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ppp",
            "binary_version": "2.4.7-1+2ubuntu1.16.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "ppp",
        "purl": "pkg:deb/ubuntu/ppp@2.4.7-1+2ubuntu1.16.04.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.7-1+2ubuntu1.16.04.2"
            }
          ],
          "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"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ppp",
            "binary_version": "2.4.7-2+2ubuntu1.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "ppp",
        "purl": "pkg:deb/ubuntu/ppp@2.4.7-2+2ubuntu1.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.7-2+2ubuntu1.2"
            }
          ],
          "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"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ppp",
            "binary_version": "2.4.7-2+4.1ubuntu5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "ppp",
        "purl": "pkg:deb/ubuntu/ppp@2.4.7-2+4.1ubuntu5?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.7-2+4.1ubuntu5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.7-2+4.1ubuntu4"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "liblwip0",
            "binary_version": "2.1.2+dfsg1-4ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "lwip",
        "purl": "pkg:deb/ubuntu/lwip@2.1.2+dfsg1-4ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.2+dfsg1-4ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.2-3",
        "2.1.2-5.1",
        "2.1.2+dfsg1-1",
        "2.1.2+dfsg1-4"
      ]
    }
  ],
  "aliases": [],
  "details": "eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions.",
  "id": "UBUNTU-CVE-2020-8597",
  "modified": "2026-06-17T22:09:25Z",
  "published": "2020-02-03T23:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8597"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4288-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4288-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-8597"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8423-1"
    }
  ],
  "related": [
    "USN-4288-1",
    "USN-4288-2",
    "USN-8423-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-8597"
  ]
}



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