{"id":"CVE-2023-35173","summary":"End-to-End encrypted file-drops can be made inaccessible","details":"Nextcloud End-to-end encryption app provides all the necessary APIs to implement End-to-End encryption on the client side. By providing an invalid meta data file, an attacker can make previously dropped files inaccessible. It is recommended that the Nextcloud End-to-end encryption app is upgraded to version 1.12.4 that contains the fix.\n","aliases":["GHSA-x7c7-v5r3-mg37"],"modified":"2026-04-10T04:59:47.634561Z","published":"2023-06-23T20:50:15.948Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/35xxx/CVE-2023-35173.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-284"]},"references":[{"type":"WEB","url":"https://hackerone.com/reports/1914115"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/35xxx/CVE-2023-35173.json"},{"type":"ADVISORY","url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x7c7-v5r3-mg37"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-35173"},{"type":"FIX","url":"https://github.com/nextcloud/end_to_end_encryption/pull/435"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nextcloud/end_to_end_encryption","events":[{"introduced":"4ad4a9e14f766a2cef0ad0f8622e9afba1a3636d"},{"fixed":"66e8caeba3916fe2c942d5d2737ce176b6e74ea9"}]}],"versions":["v1.12.0","v1.12.1","v1.12.2","v1.12.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-35173.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H"}]}