{"id":"CVE-2020-10027","state":"PUBLISHED","title":"ARC Platform Uses Signed Integer Comparison When Validating Syscall Numbers","description":"An attacker who has obtained code execution within a user thread is able to elevate privileges to that of the kernel. See NCC-ZEP-001 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.","publishedAt":"2020-05-11T22:26:14.923Z","updatedAt":"2024-09-16T20:52:35.670Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"zephyr"},"assigner":"zephyr","products":["zephyrproject-rtos zephyr"],"affected":[{"vendor":"zephyrproject-rtos","product":"zephyr","versions":[{"version":"1.14.0","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"2.1.0","status":"affected","lessThan":"unspecified","versionType":"custom"}]}],"references":["https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-35","https://github.com/zephyrproject-rtos/zephyr/pull/23328","https://github.com/zephyrproject-rtos/zephyr/pull/23500","https://github.com/zephyrproject-rtos/zephyr/pull/23499","https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10027"],"weaknesses":["CWE-697"],"ingestedAt":"2026-10-29T19:46:21.897Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/10xxx/CVE-2020-10027.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-10027","state":"PUBLISHED","datePublished":"2020-05-11T22:26:14.923Z","dateUpdated":"2024-09-16T20:52:35.670Z","assignerShortName":"zephyr","assignerOrgId":"e2e69745-5e70-4e92-8431-deb5529a81ad","dateReserved":"2020-03-03T00:00:00.000Z"},"containers":{"cna":{"title":"ARC Platform Uses Signed Integer Comparison When Validating Syscall Numbers","descriptions":[{"lang":"en","value":"An attacker who has obtained code execution within a user thread is able to elevate privileges to that of the kernel. See NCC-ZEP-001 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions."}],"affected":[{"vendor":"zephyrproject-rtos","product":"zephyr","versions":[{"version":"1.14.0","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"2.1.0","status":"affected","lessThan":"unspecified","versionType":"custom"}]}],"references":[{"url":"https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-35","tags":["x_refsource_MISC"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/23328","tags":["x_refsource_MISC"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/23500","tags":["x_refsource_MISC"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/23499","tags":["x_refsource_MISC"]},{"url":"https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10027","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-697","description":"CWE-697 Incorrect Comparison","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"zephyr","dateUpdated":"2020-06-05T17:37:36.000Z","orgId":"e2e69745-5e70-4e92-8431-deb5529a81ad"},"credits":[{"lang":"en","value":"NCC Group for report"}],"datePublic":"2020-05-01T00:00:00.000Z","source":{"defect":["https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-35"],"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"vulnerabilities@zephyrproject.org","DATE_PUBLIC":"2020-05-01T00:00:00.000Z","ID":"CVE-2020-10027","STATE":"PUBLIC","TITLE":"ARC Platform Uses Signed Integer Comparison When Validating Syscall Numbers"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"zephyr","version":{"version_data":[{"version_affected":">=","version_value":"1.14.0"},{"version_affected":">=","version_value":"2.1.0"}]}}]},"vendor_name":"zephyrproject-rtos"}]}},"credit":[{"lang":"eng","value":"NCC Group for report"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An attacker who has obtained code execution within a user thread is able to elevate privileges to that of the kernel. See NCC-ZEP-001 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-697 Incorrect Comparison"}]}]},"references":{"reference_data":[{"name":"https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-35","refsource":"MISC","url":"https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-35"},{"name":"https://github.com/zephyrproject-rtos/zephyr/pull/23328","refsource":"MISC","url":"https://github.com/zephyrproject-rtos/zephyr/pull/23328"},{"name":"https://github.com/zephyrproject-rtos/zephyr/pull/23500","refsource":"MISC","url":"https://github.com/zephyrproject-rtos/zephyr/pull/23500"},{"name":"https://github.com/zephyrproject-rtos/zephyr/pull/23499","refsource":"MISC","url":"https://github.com/zephyrproject-rtos/zephyr/pull/23499"},{"name":"https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10027","refsource":"MISC","url":"https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10027"}]},"source":{"defect":["https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-35"],"discovery":"EXTERNAL"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-35","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/23328","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/23500","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/23499","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10027","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T10:50:57.928Z"}}]}}}