{"schemaVersion":3,"id":"CVE-2021-43638","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Amazon Amazon WorkSpaces agent is affected by Integer Overflow. IOCTL Handler 0x22001B in the Amazon WorkSpaces agent below v1.0.1.1537 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) via specially crafted I/O Request 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Reference (sentinelone.com)","source":"reference","url":"https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-190","name":"Integer Overflow or Wraparound","description":"The product performs a calculation that can\n         produce an integer overflow or wraparound when the logic\n         assumes that the resulting value will always be larger than\n         the original value. This occurs when an integer value is\n         incremented to a value that is too large to store in the\n         associated representation. When this occurs, the value may\n         become a very small or negative number.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/190.html"}],"affected":[{"vendor":"amazon","product":"workspaces","name":"workspaces","label":"workspaces","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.0.1.1537","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.1.1537","eol":null,"hubHref":"/vendor/amazon/workspaces"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/","label":"www.sentinelone.com/labs/…","hostname":"www.sentinelone.com","tags":["X Refsource MISC","Exploit","Technical Description","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-12-07T20:00:51.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T04:03:08.679Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":45,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T02:56:25.567Z","stale":false,"partial":false}}