Vulnerability · Published Sep 7, 2021 · Assigned by GitHub_M
CVE-2021-32801Exceptions may have logged Encryption-at-Rest key content in Nextcloud server
Medium 5.5
In plain English
A medium-severity sensitive data in logs 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 0.2% (higher than 15% of all known vulnerabilities).
Official description
Nextcloud server is an open source, self hosted personal cloud. In affected versions logging of exceptions may have resulted in logging potentially sensitive key material for the Nextcloud Encryption-at-Rest functionality. It is recommended that the Nextcloud Server is upgraded to 20.0.12, 21.0.4 or 22.1.0. If upgrading is not an option users are advised to disable system logging to resolve this issue until such time that an upgrade can be performed Note that ff you do not use the Encryption-at-Rest functionality of Nextcloud you are not affected by this bug.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| nextcloud | security-advisories | < 20.0.12>= 21.0.0, < 21.0.4>= 22.0.0, < 22.1.0 |
Weakness: CWE-532 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mcpf-v65v-359h x_refsource_CONFIRM
- https://github.com/nextcloud/server/pull/28082 x_refsource_MISC
- https://hackerone.com/reports/1251776 x_refsource_MISC
- GLSA-202208-17 vendor-advisory, x_refsource_GENTOO