CVE-2024-36843 - Vulnerability Details - OpenCVE

libmodbus v3.1.6 was discovered to contain a heap overflow via the modbus_mapping_free() function.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Libmodbus	Libmodbus

Configuration 1 [-]

cpe:2.3:a:libmodbus:libmodbus:3.1.6:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://github.com/balckgu1/libmodbusPoc/blob/main/gdb.md
https://github.com/stephane/libmodbus/issues/748

History

Thu, 01 May 2025 14:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Libmodbus Libmodbus libmodbus
CPEs		cpe:2.3:a:libmodbus:libmodbus:3.1.6:::::::*
Vendors & Products		Libmodbus Libmodbus libmodbus

Thu, 22 Aug 2024 19:00:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-122
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-05-31T00:00:00

Updated: 2024-08-22T17:33:09.341Z

Reserved: 2024-05-30T00:00:00

Link: CVE-2024-36843

Vulnrichment

Updated: 2024-08-02T03:43:49.185Z

NVD

Status : Analyzed

Published: 2024-05-31T20:15:10.290

Modified: 2025-05-01T13:58:41.403

Link: CVE-2024-36843

Redhat

No data.

{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2024-36843", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-22T17:33:09.341Z", "dateReserved": "2024-05-30T00:00:00", "datePublished": "2024-05-31T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-07-09T18:53:10.640606"}, "descriptions": [{"lang": "en", "value": "libmodbus v3.1.6 was discovered to contain a heap overflow via the modbus_mapping_free() function."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/stephane/libmodbus/issues/748"}, {"url": "https://github.com/balckgu1/libmodbusPoc/blob/main/gdb.md"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:43:49.185Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/stephane/libmodbus/issues/748", "tags": ["x_transferred"]}, {"url": "https://github.com/balckgu1/libmodbusPoc/blob/main/gdb.md", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-122", "lang": "en", "description": "CWE-122 Heap-based Buffer Overflow"}]}], "affected": [{"vendor": "libmodbus", "product": "libmodbus", "cpes": ["cpe:2.3:a:libmodbus:libmodbus:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "3.1.6", "status": "affected"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-08-22T17:31:56.199304Z", "id": "CVE-2024-36843", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-22T17:33:09.341Z"}}]}, "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/stephane/libmodbus/issues/748", "tags": ["x_transferred"]}, {"url": "https://github.com/balckgu1/libmodbusPoc/blob/main/gdb.md", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:43:49.185Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-36843", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-08-22T17:31:56.199304Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:libmodbus:libmodbus:*:*:*:*:*:*:*:*"], "vendor": "libmodbus", "product": "libmodbus", "versions": [{"status": "affected", "version": "3.1.6"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-122", "description": "CWE-122 Heap-based Buffer Overflow"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-22T17:32:26.803Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://github.com/stephane/libmodbus/issues/748"}, {"url": "https://github.com/balckgu1/libmodbusPoc/blob/main/gdb.md"}], "descriptions": [{"lang": "en", "value": "libmodbus v3.1.6 was discovered to contain a heap overflow via the modbus_mapping_free() function."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-07-09T18:53:10.640606"}}}, "cveMetadata": {"cveId": "CVE-2024-36843", "state": "PUBLISHED", "dateUpdated": "2024-08-22T17:33:09.341Z", "dateReserved": "2024-05-30T00:00:00", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2024-05-31T00:00:00", "assignerShortName": "mitre"}, "dataVersion": "5.1"}