Memory Leak in OCUtil.dll library in Desktop client can lead to DoS (NC-SA-2020-034)
10th July 2020
Risk level: Low
CVSS v3 Base Score: 5.9 (AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H)
HackerOne report: 588562
A memory leak in the OCUtil.dll library used by Nextcloud Desktop Client 2.6.4 can lead to a DoS against the host system.
- Nextcloud Desktop < 2.6.5 (CVE-2020-8229)
The error has been fixed.
It is recommended that the Nextcloud Desktop Client is upgraded to 2.6.5.
The Nextcloud team thanks the following people for their research and responsible disclosure of the above advisory:
- Cosmin Craciun - Finastra (firstname.lastname@example.org) - Vulnerability discovery and disclosure.
This advisory is licensed CC BY-SA 4.0.