{"id":"CVE-2018-3903","state":"PUBLISHED","title":"On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17, the video-core process incorrectly extracts fields from a user-controlled JSON payload, leading to a b","description":"On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17, the video-core process incorrectly extracts fields from a user-controlled JSON payload, leading to a buffer overflow on the stack. An attacker can send an HTTP request to trigger this vulnerability. The memcpy call overflows the destination buffer, which has a size of 512 bytes. An attacker can send an arbitrarily long \"url\" value in order to overwrite the saved-PC with 0x42424242.","publishedAt":"2018-08-23T15:00:00.000Z","updatedAt":"2024-09-17T01:02:01.708Z","severity":{"score":9.9,"label":"Critical","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"talos"},"assigner":"talos","products":["Talos Samsung"],"affected":[{"vendor":"Talos","product":"Samsung","versions":[{"version":"Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17","status":"affected"}]}],"references":["https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0574"],"weaknesses":[],"ingestedAt":"2026-10-29T19:44:49.047Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/3xxx/CVE-2018-3903.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-3903","state":"PUBLISHED","datePublished":"2018-08-23T15:00:00.000Z","dateUpdated":"2024-09-17T01:02:01.708Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2018-01-02T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17, the video-core process incorrectly extracts fields from a user-controlled JSON payload, leading to a buffer overflow on the stack. An attacker can send an HTTP request to trigger this vulnerability. The memcpy call overflows the destination buffer, which has a size of 512 bytes. An attacker can send an arbitrarily long \"url\" value in order to overwrite the saved-PC with 0x42424242."}],"affected":[{"vendor":"Talos","product":"Samsung","versions":[{"version":"Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17","status":"affected"}]}],"references":[{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0574","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"description":"Classic Buffer Overflow","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"talos","dateUpdated":"2022-04-19T18:05:44.000Z","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b"},"datePublic":"2018-07-26T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"talos-cna@cisco.com","DATE_PUBLIC":"2018-07-26T00:00:00","ID":"CVE-2018-3903","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Samsung","version":{"version_data":[{"version_value":"Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17"}]}}]},"vendor_name":"Talos"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17, the video-core process incorrectly extracts fields from a user-controlled JSON payload, leading to a buffer overflow on the stack. An attacker can send an HTTP request to trigger this vulnerability. The memcpy call overflows the destination buffer, which has a size of 512 bytes. An attacker can send an arbitrarily long \"url\" value in order to overwrite the saved-PC with 0x42424242."}]},"impact":{"cvss":{"baseScore":9.9,"baseSeverity":"Critical","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Classic Buffer Overflow"}]}]},"references":{"reference_data":[{"name":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0574","refsource":"MISC","url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0574"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0574","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T04:57:24.494Z"}}]}}}