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A symlink with the same name as the deleted file can then be created upon which chown will be called, changing the file owner to root. Fixed in versions 2.20.1-0ubuntu2.23, 2.20.9-0ubuntu7.14, 2.20.11-0ubuntu8.8 and 2.20.11-0ubuntu22."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.6,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-367","description":"CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2020-06-24T20:06:03.000Z","orgId":"cc1ad9ee-3454-478d-9317-d3e869d708bc","shortName":"canonical"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://usn.ubuntu.com/4315-1/"},{"tags":["x_refsource_CONFIRM"],"url":"https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1862933"},{"name":"USN-4315-2","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://usn.ubuntu.com/4315-2/"}],"source":{"advisory":"https://usn.ubuntu.com/4315-1/","defect":["https://launchpad.net/bugs/1862933"],"discovery":"EXTERNAL"},"title":"Apport race condition in crash report permissions","x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"AKA":"","ASSIGNER":"security@ubuntu.com","DATE_PUBLIC":"2020-04-02T00:43:00.000Z","ID":"CVE-2020-8833","STATE":"PUBLIC","TITLE":"Apport race condition in crash report permissions"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Apport","version":{"version_data":[{"platform":"","version_affected":"<","version_name":"2.20.1","version_value":"2.20.1-0ubuntu2.23"},{"platform":"","version_affected":"<","version_name":"2.20.9","version_value":"2.20.9-0ubuntu7.14"},{"platform":"","version_affected":"<","version_name":"2.20.11","version_value":"2.20.11-0ubuntu8.8"},{"platform":"","version_affected":"<","version_name":"2.20.11","version_value":"2.20.11-0ubuntu22"}]}}]},"vendor_name":"Canonical"}]}},"configuration":[],"credit":[{"lang":"eng","value":"Maximilien Bourgeteau"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Time-of-check Time-of-use Race Condition vulnerability on crash report ownership change in Apport allows for a possible privilege escalation opportunity. 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