Path traversal in Nextcloud Android app



Published: 2022-09-16
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-39210
CWE-ID CWE-22
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Nextcloud Android App
Other software / Other software solutions

Vendor Nextcloud

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Path traversal

EUVDB-ID: #VU67417

Risk: Low

CVSSv3.1: 2.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-39210

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

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

External links

http://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw2w-gpcv-v39f/


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.



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