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
9.8 (Critical) - CVSS:3.1/
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
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| silabs | gecko_software_development_kit | 4.3.2.0 | |
| weston-embedded | uc-http | - |
{
"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"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
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"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",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843"
},
{
"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"
}
],
"source": "talos-cna@cisco.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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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.
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.
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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.
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