CVE-2019-17211 (GCVE-0-2019-17211)
Vulnerability from cvelistv5 – Published: 2019-11-05 15:06 – Updated: 2024-08-05 01:33
VLAI
EPSS
VEX
Summary
An integer overflow was discovered in the CoAP library in Arm Mbed OS 5.14.0. The function sn_coap_builder_calc_needed_packet_data_size_2() is used to calculate the required memory for the CoAP message from the sn_coap_hdr_s data structure. Both returned_byte_count and src_coap_msg_ptr->payload_len are of type uint16_t. When added together, the result returned_byte_count can wrap around the maximum uint16_t value. As a result, insufficient buffer space is allocated for the corresponding CoAP message.
Severity
9.8 (Critical)
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/ARMmbed/mbed-os/blob/d0686fd30… | x_refsource_MISC |
| https://github.com/ARMmbed/mbed-os/blob/d0686fd30… | x_refsource_MISC |
| https://github.com/ARMmbed/mbed-os/blob/d0686fd30… | x_refsource_MISC |
| https://github.com/ARMmbed/mbed-os/blob/d0686fd30… | x_refsource_MISC |
| https://github.com/ARMmbed/mbed-os/blob/d0686fd30… | x_refsource_MISC |
| https://github.com/ARMmbed/mbed-os/blob/d0686fd30… | x_refsource_MISC |
| https://github.com/ARMmbed/mbed-os/blob/d0686fd30… | x_refsource_MISC |
| https://github.com/ARMmbed/mbed-os/issues/11804 | x_refsource_MISC |
Date Public
2019-11-03 00:00
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"value": "An integer overflow was discovered in the CoAP library in Arm Mbed OS 5.14.0. The function sn_coap_builder_calc_needed_packet_data_size_2() is used to calculate the required memory for the CoAP message from the sn_coap_hdr_s data structure. Both returned_byte_count and src_coap_msg_ptr-\u003epayload_len are of type uint16_t. When added together, the result returned_byte_count can wrap around the maximum uint16_t value. As a result, insufficient buffer space is allocated for the corresponding CoAP message."
},
{
"lang": "es",
"value": "Se descubri\u00f3 un desbordamiento de enteros en la biblioteca CoAP en Arm Mbed OS versi\u00f3n 5.14.0. La funci\u00f3n sn_coap_builder_calc_needed_packet_data_size_2() es usada para calcular la memoria requerida para el mensaje de CoAP de la estructura de datos de sn_coap_hdr_s. Tanto return_byte_count como src_coap_msg_ptr-)payload_len son del tipo uint16_t. Cuando son agregados juntos, el resultado return_byte_count puede ajustarse al valor m\u00e1ximo de uint16_t. Como un resultado, el espacio de b\u00fafer insuficiente es asignado para el mensaje de CoAP correspondiente."
}
],
"id": "CVE-2019-17211",
"lastModified": "2024-11-21T04:31:51.997",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 10.0,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"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"
}
]
},
"published": "2019-11-05T16:15:10.570",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L1090"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L355"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L524"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L527"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L710"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L718"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L746"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/issues/11804"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L1090"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L355"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L524"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L527"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L710"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L718"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/blob/d0686fd30b4d3d02efdc7e4d0fbf0dfe173543b6/features/frameworks/mbed-coap/source/sn_coap_builder.c#L746"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/ARMmbed/mbed-os/issues/11804"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-190"
}
],
"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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