{"id":"CVE-2017-9607","aliases":["EUVD-2017-18538","GHSA-vx3j-47rq-fwp6"],"status":"published","title":"The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write...","description":"The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write arbitrary data to secure memory, bypass the bl1_plat_mem_check protection mechanism, cause a denial of service, or possibly have unspecified other impact via a crafted AArch32 image, which triggers an integer overflow.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00786,"percentile":0.56388,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2017-09-20T16:00:00Z","modified":"2026-06-17T01:28:33Z","products":[{"vendor":"trustedfirmware","product":"trusted_firmware-a"}],"references":[{"url":"https://github.com/ARM-software/arm-trusted-firmware/blob/v1.4/docs/change-log.rst#new-features","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Release Notes","Third Party Advisory"]},{"url":"https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-4","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-9607"},{"url":"https://github.com/advisories/GHSA-vx3j-47rq-fwp6"}],"sources":{"cve":[{"id":"CVE-2017-9607","description":"The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write arbitrary data to secure memory, bypass the bl1_plat_mem_check protection mechanism, cause a denial of service, or possibly have unspecified other impact via a crafted AArch32 image, which triggers an integer overflow.","status":"published","published":"2017-09-20T16:00:00Z","modified":"2024-08-05T17:11:02.299Z","updated_at":"2026-11-02T14:33:13.96587Z"}],"euvd":[{"id":"EUVD-2017-18538","description":"The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write arbitrary data to secure memory, bypass the bl1_plat_mem_check protection mechanism, cause a denial of service, or possibly have unspecified other impact via a crafted AArch32 image, which triggers an integer overflow.","status":"published","published":"2017-09-20T16:00:00Z","modified":"2024-08-05T17:11:02Z","updated_at":"2026-11-03T02:23:27.257081Z"}],"ghsa":[{"id":"GHSA-vx3j-47rq-fwp6","title":"The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write...","description":"The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write arbitrary data to secure memory, bypass the bl1_plat_mem_check protection mechanism, cause a denial of service, or possibly have unspecified other impact via a crafted AArch32 image, which triggers an integer overflow.","status":"published","published":"2022-05-17T00:35:40Z","modified":"2023-02-03T05:02:01Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:53:05.394826Z"}],"nvd":[{"id":"CVE-2017-9607","description":"The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write arbitrary data to secure memory, bypass the bl1_plat_mem_check protection mechanism, cause a denial of service, or possibly have unspecified other impact via a crafted AArch32 image, which triggers an integer overflow.","status":"published","published":"2017-09-20T16:29:00.957Z","modified":"2026-06-17T01:28:33.96Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5.1,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:03:59.716532Z"}]}}