{"id":"CVE-2024-56317","details":"In Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0, the WriteAcl function deletes all existing ACL entries first, and then attempts to recreate them based on user input. If input validation fails during decoding, the process stops, and no entries are restored by access-control-server.cpp, i.e., a denial of service.","modified":"2026-08-12T15:31:52.362763Z","published":"2024-12-18T00:00:00Z","database_specific":{"cwe_ids":["CWE-281"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56317.json","cna_assigner":"mitre"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56317.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56317"},{"type":"REPORT","url":"https://github.com/project-chip/connectedhomeip/issues/36535"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/project-chip/connectedhomeip","events":[{"introduced":"0"},{"fixed":"43aa98c2d30ee547c6b587b9de7bbb794f175ece"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"1.4.0.0"},{"fixed":"1.4.0.0"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["v1.2.0.1","v1.3.0.0","TE_24_01/rc1","v1.2.0.0","TH-Matter-1.2","SVE_23_09/rc1","v1.1.0.1","v1.1.0.0","SVE_23_03/rc2","SVE_23_03/rc1","TE_23_02/rc2","TE_23_02/rc1","v1.0.0.2","V1.0.0.1","TE9","TE8/rc3","TE8/rc2","TE8/rc1","test_event_4_2021_07_06","test_event_3_2021_06_03","test_event_3_2021_06_01","test_event_3_2012_04_21","test_event_2_2012_04_22","test_event_2_2012_04_21","test_event_2_2012_04_19","test_event_1_2012_03_05","v2021_02_10-alpha","v2021_02_02-alpha","v2021_01_27-alpha"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56317.json","vanir_signatures_modified":"2026-08-12T15:31:52Z","vanir_signatures":[{"source":"https://github.com/project-chip/connectedhomeip/commit/43aa98c2d30ee547c6b587b9de7bbb794f175ece","target":{"file":"src/platform/ESP32/ConfigurationManagerImpl.cpp"},"deprecated":false,"digest":{"line_hashes":["10914484396529890614862958618586276642","15556846030561399203845313242997755120","132238975706345797081838961486091633436","162092063713916714010188393539688103404","110727327429346046373395458059548612709"],"threshold":0.9},"id":"CVE-2024-56317-4d1af1f5","signature_type":"Line","signature_version":"v1"},{"deprecated":false,"digest":{"line_hashes":["262590375615370306282283240500013164873","306492425597676737952160135003560418922","210056201948984650332561026685601642323","188959626759016752050347294467993822603","54959768588438366669785620345793695150","100354885865924945642862212764553257232","88988577723611573100389811662833451155"],"threshold":0.9},"id":"CVE-2024-56317-63bbf9b9","signature_type":"Line","signature_version":"v1","source":"https://github.com/project-chip/connectedhomeip/commit/43aa98c2d30ee547c6b587b9de7bbb794f175ece","target":{"file":"src/platform/ESP32/nimble/BLEManagerImpl.cpp"}},{"digest":{"line_hashes":["254065092782683959562106826029491668853","157303372587191355698707652722272234492","73855282504442410241031297073166812724","308787766795530858984041756622439387598","240199258269686967681970961699231535059","224601829990959705522627067047702248248","128206547482550248812265397428866108613","304038845803326732028424872839848327314","90065420893942170477090140449533964720","177255599875748510116158569938485068028","60074632605672314165726005829549386078","291076950096347207641768712205229333886","108071126571248915821445459341842497449","132296518656652197495350330570392493140"],"threshold":0.9},"id":"CVE-2024-56317-651e4ca7","signature_type":"Line","signature_version":"v1","source":"https://github.com/project-chip/connectedhomeip/commit/43aa98c2d30ee547c6b587b9de7bbb794f175ece","target":{"file":"examples/platform/esp32/common/Esp32AppServer.cpp"},"deprecated":false}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}