Vulnerability identifier: #VU66902

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-35931

CWE-ID: CWE-521

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Password Policy
Other software / Other software solutions

Vendor: Nextcloud

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the generated passwords are not fully validated by HIBPValidator. A remote attacker can cause the random password generator to generate common passwords the validator itself would block.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Password Policy: 22.2.0 - 24.0.2

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External links
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-c7mw-9q4r-8qwr/

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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.