Vulnerability identifier: #VU46718

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8229

CWE-ID: CWE-401

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
desktop
Other software / Other software solutions

Vendor: Nextcloud

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the OCUtil.dll library used by Nextcloud Desktop Client. A local user can perform a denial of service attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

desktop: 2.6.0 - 2.6.4

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External links
http://hackerone.com/reports/588562
http://nextcloud.com/security/advisory/?id=NC-SA-2020-034

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.