ubuntu-cve-2023-38802
Vulnerability from osv_ubuntu
Published
2023-08-28 00:00
Modified
2025-09-08 16:56
Summary
Details

FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "frr",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
          },
          {
            "binary_name": "frr-pythontools",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
          },
          {
            "binary_name": "frr-rpki-rtrlib",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
          },
          {
            "binary_name": "frr-snmp",
            "binary_version": "7.2.1-1ubuntu0.2+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "frr",
        "purl": "pkg:deb/ubuntu/frr@7.2.1-1ubuntu0.2+esm2?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.2.1-1ubuntu0.2+esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.0.2-2build2",
        "7.2-1ubuntu1",
        "7.2-1ubuntu2",
        "7.2.1-1",
        "7.2.1-1ubuntu0.1",
        "7.2.1-1ubuntu0.2",
        "7.2.1-1ubuntu0.2+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "frr",
            "binary_version": "8.1-1ubuntu1.5"
          },
          {
            "binary_name": "frr-pythontools",
            "binary_version": "8.1-1ubuntu1.5"
          },
          {
            "binary_name": "frr-rpki-rtrlib",
            "binary_version": "8.1-1ubuntu1.5"
          },
          {
            "binary_name": "frr-snmp",
            "binary_version": "8.1-1ubuntu1.5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "frr",
        "purl": "pkg:deb/ubuntu/frr@8.1-1ubuntu1.5?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.1-1ubuntu1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.5.1-1.1",
        "8.1-1",
        "8.1-1ubuntu1",
        "8.1-1ubuntu1.1",
        "8.1-1ubuntu1.2",
        "8.1-1ubuntu1.3",
        "8.1-1ubuntu1.4"
      ]
    }
  ],
  "aliases": [],
  "details": "FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).",
  "id": "UBUNTU-CVE-2023-38802",
  "modified": "2025-09-08T16:56:26Z",
  "published": "2023-08-28T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-38802"
    },
    {
      "type": "REPORT",
      "url": "https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling"
    },
    {
      "type": "REPORT",
      "url": "https://kb.cert.org/vuls/id/347067"
    },
    {
      "type": "REPORT",
      "url": "https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6323-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-38802"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6807-1"
    }
  ],
  "related": [
    "USN-6323-1",
    "USN-6807-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-38802"
  ]
}



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