{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-28997", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-03-29T17:39:16.141Z", "datePublished": "2023-04-04T12:42:24.540Z", "dateUpdated": "2024-08-02T13:51:38.948Z"}, "containers": {"cna": {"title": "Nextcloud Desktop: Initialization vector reuse in E2EE allows malicious server admin to break, manipulate, access files", "problemTypes": [{"descriptions": [{"cweId": "CWE-323", "lang": "en", "description": "CWE-323: Reusing a Nonce, Key Pair in Encryption", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4p33-rw27-j5fc", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4p33-rw27-j5fc"}, {"name": "https://github.com/nextcloud/desktop/pull/5324", "tags": ["x_refsource_MISC"], "url": "https://github.com/nextcloud/desktop/pull/5324"}, {"name": "https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf", "tags": ["x_refsource_MISC"], "url": "https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf"}], "affected": [{"vendor": "nextcloud", "product": "security-advisories", "versions": [{"version": ">= 3.0.0, < 3.6.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-04-04T12:42:24.540Z"}, "descriptions": [{"lang": "en", "value": "The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can recover and modify the contents of end-to-end encrypted files. Users should upgrade the Nextcloud Desktop client to 3.6.5 to receive a patch. No known workarounds are available."}], "source": {"advisory": "GHSA-4p33-rw27-j5fc", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T13:51:38.948Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4p33-rw27-j5fc", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4p33-rw27-j5fc"}, {"name": "https://github.com/nextcloud/desktop/pull/5324", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/nextcloud/desktop/pull/5324"}, {"name": "https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf"}]}]}}

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