CVE-2023-28997

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Source
https://cve.org/CVERecord?id=CVE-2023-28997
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-28997.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-28997
Aliases
  • GHSA-4p33-rw27-j5fc
Downstream
Published
2023-04-04T12:42:24Z
Modified
2026-10-22T10:32:06Z
Severity
  • 6.7 (Medium) CVSS_V3 - CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N CVSS Calculator
Summary
Nextcloud Desktop: Initialization vector reuse in E2EE allows malicious server admin to break, manipulate, access files
Details

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.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-323"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28997.json"
}
References

Affected packages

Git / github.com/nextcloud/desktop

Affected ranges

Type
GIT
Repo
https://github.com/nextcloud/desktop
Events
Introduced
ff175088a391007b66bfca89ef35cf29e37cf001
Fixed
b128a778253de91443de5f57f2421963515cd469
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "3.0.0"
                },
                {
                    "fixed": "3.6.5"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StringRangeExpression"
        },
        {
            "cpe": "cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "3.0.0"
                },
                {
                    "fixed": "3.6.5"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-28997.json"