#VU67417 Path traversal in Nextcloud Android App - CVE-2022-39210

Vulnerability identifier: #VU67417

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-39210

CWE-ID: CWE-22

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Nextcloud Android App
Other software / Other software solutions

Vendor: Nextcloud

Description

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A local user can read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Nextcloud Android App: 3.0.0 - 3.20.3

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External links
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw2w-gpcv-v39f/

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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.