FKIE_CVE-2023-45318

Vulnerability from fkie_nvd - Published: 2024-02-20 15:15 - Updated: 2026-06-17 06:28
Severity
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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
Summary
A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.
References
talos-cna@cisco.comhttps://talosintelligence.com/vulnerability_reports/TALOS-2023-1843Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1843
Impacted products
Vendor Product Version
silabs gecko_software_development_kit 4.3.2.0
weston-embedded uc-http -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Gecko Platform",
          "vendor": "Silicon Labs",
          "versions": [
            {
              "status": "affected",
              "version": "Silicon Labs Gecko Platform 4.3.2.0"
            }
          ]
        },
        {
          "product": "uC-HTTP",
          "vendor": "Weston Embedded",
          "versions": [
            {
              "status": "affected",
              "version": "git commit 80d4004"
            }
          ]
        }
      ],
      "source": "talos-cna@cisco.com"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:silabs:gecko_platform:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "gecko_platform",
          "vendor": "silabs",
          "versions": [
            {
              "status": "affected",
              "version": "4.3.2.0"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:weston-embedded:uc-http:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "uc-http",
          "vendor": "weston-embedded",
          "versions": [
            {
              "status": "affected",
              "version": "git commit 80d4004"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:silabs:gecko_software_development_kit:4.3.2.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "630B4655-F4AA-4DAA-8127-BBC89EE6046C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:weston-embedded:uc-http:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "AE7CD12C-6F8F-4347-B9BD-51C46EF0F84E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de desbordamiento de b\u00fafer de almacenamiento din\u00e1mico en la funcionalidad del servidor HTTP de Weston Embedded uC-HTTP git commit 80d4004. Un paquete de red especialmente manipulado puede provocar la ejecuci\u00f3n de c\u00f3digo arbitrario. Un atacante puede enviar un paquete malicioso para desencadenar esta vulnerabilidad."
    }
  ],
  "id": "CVE-2023-45318",
  "lastModified": "2026-06-17T06:28:37.220",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.0,
        "source": "talos-cna@cisco.com",
        "type": "Secondary"
      },
      {
        "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"
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    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-45318",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-02-20T16:31:01.592003Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-02-20T15:15:08.727",
  "references": [
    {
      "source": "talos-cna@cisco.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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        "Third Party Advisory"
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1843"
    }
  ],
  "sourceIdentifier": "talos-cna@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
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      ],
      "source": "talos-cna@cisco.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "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

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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.