cve-2023-28116
Vulnerability from cvelistv5
Published
2023-03-17 21:22
Modified
2024-08-02 12:30
Severity ?
EPSS score ?
Summary
Buffer overflow in L2CAP due to misconfigured MTU
References
▼ | URL | Tags | |
---|---|---|---|
security-advisories@github.com | https://github.com/contiki-ng/contiki-ng/pull/2398 | Issue Tracking, Patch | |
security-advisories@github.com | https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-m737-4vx6-pfqp | Patch, Vendor Advisory |
Impacted products
Vendor | Product | Version | |
---|---|---|---|
▼ | contiki-ng | contiki-ng |
Version: <= 4.8 |
|
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In versions 4.8 and prior, an out-of-bounds write can occur in the BLE L2CAP module of the Contiki-NG operating system. The network stack of Contiki-NG uses a global buffer (packetbuf) for processing of packets, with the size of PACKETBUF_SIZE. In particular, when using the BLE L2CAP module with the default configuration, the PACKETBUF_SIZE value becomes larger then the actual size of the packetbuf. When large packets are processed by the L2CAP module, a buffer overflow can therefore occur when copying the packet data to the packetbuf. The vulnerability has been patched in the \"develop\" branch of Contiki-NG, and will be included in release 4.9. The problem can be worked around by applying the patch manually." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-120", "description": "CWE-120: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2023-03-17T21:22:54.703Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "name": "https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-m737-4vx6-pfqp", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-m737-4vx6-pfqp" }, { "name": "https://github.com/contiki-ng/contiki-ng/pull/2398", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/contiki-ng/contiki-ng/pull/2398" } ], "source": { "advisory": "GHSA-m737-4vx6-pfqp", "discovery": "UNKNOWN" }, "title": "Buffer overflow in L2CAP due to misconfigured MTU" } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2023-28116", "datePublished": "2023-03-17T21:22:54.703Z", "dateReserved": "2023-03-10T18:34:29.228Z", "dateUpdated": "2024-08-02T12:30:24.192Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2023-28116\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2023-03-17T22:15:11.547\",\"lastModified\":\"2023-11-07T04:10:25.093\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Contiki-NG is an open-source, cross-platform operating system for internet of things (IoT) devices. In versions 4.8 and prior, an out-of-bounds write can occur in the BLE L2CAP module of the Contiki-NG operating system. The network stack of Contiki-NG uses a global buffer (packetbuf) for processing of packets, with the size of PACKETBUF_SIZE. In particular, when using the BLE L2CAP module with the default configuration, the PACKETBUF_SIZE value becomes larger then the actual size of the packetbuf. When large packets are processed by the L2CAP module, a buffer overflow can therefore occur when copying the packet data to the packetbuf. The vulnerability has been patched in the \\\"develop\\\" branch of Contiki-NG, and will be included in release 4.9. 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Sightings
Author | Source | Type | Date |
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.