{ "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." } ] }, "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" } ] }, "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" } } }