{"id":"CVE-2024-23973","state":"PUBLISHED","title":"Silicon Labs Gecko OS HTTP GET Request Handling Stack-based Buffer Overflow","description":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability. \n\nThe specific flaw exists within the handling of HTTP GET requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.","publishedAt":"2025-01-30T23:28:55.542Z","updatedAt":"2025-08-26T21:08:23.396Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"icscert"},"assigner":"icscert","products":["Silicon Labs Gecko OS"],"affected":[{"vendor":"Silicon Labs","product":"Gecko OS","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected","versionType":"semver"}]}],"references":["https://www.zerodayinitiative.com/advisories/ZDI-24-873/","https://community.silabs.com/a45Vm0000000Atp"],"weaknesses":["CWE-120"],"ingestedAt":"2026-10-29T20:06:59.846Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/23xxx/CVE-2024-23973.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-23973","state":"PUBLISHED","datePublished":"2025-01-30T23:28:55.542Z","dateUpdated":"2025-08-26T21:08:23.396Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2024-01-25T00:14:42.600Z"},"containers":{"cna":{"title":"Silicon Labs Gecko OS HTTP GET Request Handling Stack-based Buffer Overflow","descriptions":[{"lang":"en","value":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability. \n\nThe specific flaw exists within the handling of HTTP GET requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device."}],"affected":[{"vendor":"Silicon Labs","product":"Gecko OS","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected","versionType":"semver"}]}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-24-873/"},{"url":"https://community.silabs.com/a45Vm0000000Atp"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","description":"CWE-120","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2025-06-30T17:53:31.238Z"},"credits":[{"lang":"en","type":"finder","value":"PCAutomotive reported this to ZDI."}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Silicon Labs has issued an update to correct this vulnerability. More details can be found at:<br><a target=\"_blank\" rel=\"nofollow\" href=\"https://community.silabs.com/a45Vm0000000Atp\">https://community.silabs.com/a45Vm0000000Atp</a>"}],"value":"Silicon Labs has issued an update to correct this vulnerability. More details can be found at:\n https://community.silabs.com/a45Vm0000000Atp"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"ADJACENT_NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/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"}},{"other":{"type":"ssvc","content":{"id":"CVE-2024-23973","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-01-31T19:00:10.733074Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-08-26T21:08:23.396Z"}}]}}}