CVE-2023-7152

A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.

CVSS v3 9.8 CRITICAL
CVSS v2.0 5.2 MEDIUM

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.2^/10

CVSS v2.0 : MEDIUM

Vector : AV:A/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 5.1 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26	Patch
https://github.com/micropython/micropython/issues/12887	Exploit Issue Tracking
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/
https://vuldb.com/?ctiid.249158	Permissions Required Third Party Advisory VDB Entry
https://vuldb.com/?id.249158	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:micropython:micropython:1.21.0:::::::*
	cpe:2.3:a:micropython:micropython:1.22.0:preview::::::

History

No history.

Information

Published : 2023-12-29 05:15

Updated : 2024-05-17 02:34

NVD link : CVE-2023-7152

Mitre link : CVE-2023-7152

CVE.ORG link : CVE-2023-7152

JSON object : View

Products Affected

micropython

micropython

CWE

CWE-416

Use After Free

{"id": "CVE-2023-7152", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"version": "2.0", "baseScore": 5.2, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 5.1, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 2.1}]}, "published": "2023-12-29T05:15:09.473", "references": [{"url": "https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26", "tags": ["Patch"], "source": "cna@vuldb.com"}, {"url": "https://github.com/micropython/micropython/issues/12887", "tags": ["Exploit", "Issue Tracking"], "source": "cna@vuldb.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/", "source": "cna@vuldb.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/", "source": "cna@vuldb.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/?ctiid.249158", "tags": ["Permissions Required", "Third Party Advisory", "VDB Entry"], "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/?id.249158", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cna@vuldb.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability."}, {"lang": "es", "value": "Una vulnerabilidad fue encontrada en MicroPython 1.21.0/1.22.0-preview y clasificada como cr\u00edtica. La funci\u00f3n poll_set_add_fd del archivo extmod/modselect.c es afectada por esta vulnerabilidad. La manipulaci\u00f3n conduce a use after free. La explotaci\u00f3n ha sido divulgada al p\u00fablico y puede utilizarse. El parche se identifica como 8b24aa36ba978eafc6114b6798b47b7bfecdca26. Se recomienda aplicar un parche para solucionar este problema. VDB-249158 es el identificador asignado a esta vulnerabilidad."}], "lastModified": "2024-05-17T02:34:13.930", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:micropython:micropython:1.21.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "92240FCD-0BA9-46D0-9C9A-2CDD8FE2A769"}, {"criteria": "cpe:2.3:a:micropython:micropython:1.22.0:preview:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B60BCDF9-D1CF-45ED-9B95-9F06C5C2A95F"}], "operator": "OR"}]}], "sourceIdentifier": "cna@vuldb.com"}