Vulnerability-Lookup

CVE-2023-45318 (GCVE-0-2023-45318)

Vulnerability from cvelistv5 – Published: 2024-02-20 14:45 – Updated: 2025-11-04 18:17

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.

Severity

10 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-02-20 16:31 UTC

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

talos mitre root

References

2 references

URL	Tags
https://talosintelligence.com/vulnerability_repor…
https://www.talosintelligence.com/vulnerability_r…

Impacted products

4 products

Vendor	Product	Version	CPE status
Silicon Labs	Gecko Platform	Affected: Silicon Labs Gecko Platform 4.3.2.0	guessed
Weston Embedded	uC-HTTP	Affected: git commit 80d4004	guessed
silabs	gecko_platform	Affected: 4.3.2.0 cpe:2.3:a:silabs:gecko_platform::::::::
weston-embedded	uc-http	Affected: git commit 80d4004 cpe:2.3:a:weston-embedded:uc-http::::::::

Credits

Discovered by Kelly Patterson of Cisco Talos.

Show details on NVD website

JSON

To clipboard

{
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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

References

URL	Tags
talos-cna@cisco.com	https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://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	-

JSON

To clipboard

{
  "affected": [
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      "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": [
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          ],
          "defaultStatus": "unknown",
          "product": "uc-http",
          "vendor": "weston-embedded",
          "versions": [
            {
              "status": "affected",
              "version": "git commit 80d4004"
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          ]
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      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
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              "matchCriteriaId": "630B4655-F4AA-4DAA-8127-BBC89EE6046C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:weston-embedded:uc-http:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "AE7CD12C-6F8F-4347-B9BD-51C46EF0F84E",
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    }
  ],
  "id": "CVE-2023-45318",
  "lastModified": "2026-06-17T06:28:37.220",
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}

GHSA-J494-R8WX-QPJR

Vulnerability from github – Published: 2024-02-20 15:31 – Updated: 2024-02-20 15:31

Details

Severity

10.0 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2023-45318"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-02-20T15:15:08Z",
    "severity": "CRITICAL"
  },
  "details": "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.",
  "id": "GHSA-j494-r8wx-qpjr",
  "modified": "2024-02-20T15:31:05Z",
  "published": "2024-02-20T15:31:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45318"
    },
    {
      "type": "WEB",
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843"
    },
    {
      "type": "WEB",
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1843"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2023-45318

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Aliases

CVE-2023-45318

Aliases

CVE-2023-45318

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-45318",
    "id": "GSD-2023-45318"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-45318"
      ],
      "details": "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.",
      "id": "GSD-2023-45318",
      "modified": "2023-12-13T01:20:38.424511Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
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        "ID": "CVE-2023-45318",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Gecko Platform",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Silicon Labs Gecko Platform 4.3.2.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Silicon Labs"
            },
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "uC-HTTP",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "git commit 80d4004"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Weston Embedded"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Discovered by Kelly Patterson of Cisco Talos."
        }
      ],
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          }
        ]
      },
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            "attackVector": "NETWORK",
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            "baseScore": 10,
            "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"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-122",
                "lang": "eng",
                "value": "CWE-122: Heap-based Buffer Overflow"
              }
            ]
          }
        ]
      },
      "references": {
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          {
            "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843",
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          }
        ]
      }
    },
    "nvd.nist.gov": {
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          {
            "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."
          }
        ],
        "id": "CVE-2023-45318",
        "lastModified": "2024-02-20T19:50:53.960",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 10.0,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
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                "scope": "CHANGED",
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              },
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              "impactScore": 6.0,
              "source": "talos-cna@cisco.com",
              "type": "Primary"
            }
          ]
        },
        "published": "2024-02-20T15:15:08.727",
        "references": [
          {
            "source": "talos-cna@cisco.com",
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843"
          }
        ],
        "sourceIdentifier": "talos-cna@cisco.com",
        "vulnStatus": "Awaiting Analysis",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-122"
              }
            ],
            "source": "talos-cna@cisco.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CVE-2023-45318 (GCVE-0-2023-45318)

FKIE_CVE-2023-45318

GHSA-J494-R8WX-QPJR

GSD-2023-45318

Tags

Sightings

Nomenclature

Related by attack behaviour