Vulnerability · Published Jun 23, 2023 · Assigned by GitHub_M
CVE-2023-35173End-to-End encrypted file-drops can be made inaccessible
Medium 5.7
In plain English
A medium-severity improper access control in security-advisories from nextcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)5.7Medium
Exploit odds (30 days)0.5%top 57.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| nextcloud | security-advisories | >= 1.12.0, < 1.12.4 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x7c7-v5r3-mg37 x_refsource_CONFIRM
- https://github.com/nextcloud/end_to_end_encryption/pull/435 x_refsource_MISC
- https://hackerone.com/reports/1914115 x_refsource_MISC