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FKIE_CVE-2022-4087

Vulnerability from fkie_nvd - Published: 2022-11-21 07:15 - Updated: 2026-06-17 05:19
Severity
2.6 (Low) - CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
A vulnerability was found in iPXE. It has been declared as problematic. This vulnerability affects the function tls_new_ciphertext of the file src/net/tls.c of the component TLS. The manipulation of the argument pad_len leads to information exposure through discrepancy. The name of the patch is 186306d6199096b7a7c4b4574d4be8cdb8426729. It is recommended to apply a patch to fix this issue. VDB-214054 is the identifier assigned to this vulnerability.
References
cna@vuldb.comhttps://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729Patch, Third Party Advisory
cna@vuldb.comhttps://vuldb.com/?id.214054Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://vuldb.com/?id.214054Third Party Advisory
Impacted products
Vendor Product Version
ipxe ipxe *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "iPXE",
          "vendor": "unspecified",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:ipxe:ipxe:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F3AF5B8D-B282-4683-96B5-FBBFBB7F1DEB",
              "versionEndExcluding": "2022-11-08",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was found in iPXE. It has been declared as problematic. This vulnerability affects the function tls_new_ciphertext of the file src/net/tls.c of the component TLS. The manipulation of the argument pad_len leads to information exposure through discrepancy. The name of the patch is 186306d6199096b7a7c4b4574d4be8cdb8426729. It is recommended to apply a patch to fix this issue. VDB-214054 is the identifier assigned to this vulnerability."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 una vulnerabilidad en iPXE. Ha sido declarado problem\u00e1tico. Esta vulnerabilidad afecta a la funci\u00f3n tls_new_ciphertext del archivo src/net/tls.c del componente TLS. La manipulaci\u00f3n del argumento pad_len conduce a la exposici\u00f3n de la informaci\u00f3n a trav\u00e9s de discrepancia. El nombre del parche es 186306d6199096b7a7c4b4574d4be8cdb8426729. Se recomienda aplicar un parche para solucionar este problema. VDB-214054 es el identificador asignado a esta vulnerabilidad."
    }
  ],
  "id": "CVE-2022-4087",
  "lastModified": "2026-06-17T05:19:55.150",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 2.6,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 1.4,
        "source": "cna@vuldb.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-4087",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-14T17:05:02.716531Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-11-21T07:15:08.957",
  "references": [
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://vuldb.com/?id.214054"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://vuldb.com/?id.214054"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.


Detection rules are retrieved from Rulezet.


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.