FKIE_CVE-2023-41910

Vulnerability from fkie_nvd - Published: 2023-09-05 07:15 - Updated: 2026-06-17 06:23
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c.
References
cve@mitre.orghttps://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099bPatch
cve@mitre.orghttps://github.com/lldpd/lldpd/releases/tag/1.0.17Release Notes
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2023/09/msg00025.html
cve@mitre.orghttps://www.debian.org/security/2023/dsa-5505
af854a3a-2127-422b-91ae-364da2661108https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099bPatch
af854a3a-2127-422b-91ae-364da2661108https://github.com/lldpd/lldpd/releases/tag/1.0.17Release Notes
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/09/msg00025.html
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5505
Impacted products
Vendor Product Version
lldpd_project lldpd *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lldpd_project:lldpd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "591FC9F7-7E51-49D8-97B9-513D515C0204",
              "versionEndExcluding": "1.0.17",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en lldpd antes de la versi\u00f3n 1.0.17. Al manipular un paquete CDP PDU con TLVs CDP_TLV_ADDRESSES espec\u00edficos, un actor malicioso puede forzar remotamente al demonio lldpd a realizar una lecutra fuera de l\u00edmites en la memoria heap. Esto ocurre en cdp_decode in daemon/protocols/cdp.c."
    }
  ],
  "id": "CVE-2023-41910",
  "lastModified": "2026-06-17T06:23:03.177",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-41910",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-30T17:17:53.667304Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-09-05T07:15:14.927",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/lldpd/lldpd/releases/tag/1.0.17"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00025.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.debian.org/security/2023/dsa-5505"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/lldpd/lldpd/releases/tag/1.0.17"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00025.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.debian.org/security/2023/dsa-5505"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.