Vulnerability identifier: #VU46717

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8230

CWE-ID: CWE-693

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
desktop
Other software / Other software solutions

Vendor: Nextcloud

Description

The vulnerability allows an attacker to leverage absence of security measures.

The vulnerability exists due to application does not implement ASLR and DEP protection mechanisms. A remote attacker can leverage from absence of such feature to facilitate exploitation of other vulnerabilities in the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

desktop: 2.6.0 - 2.6.4

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External links
http://hackerone.com/reports/380102
http://nextcloud.com/security/advisory/?id=NC-SA-2020-035

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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