Path traversal in ownCloud Android App

1) Path traversal

EUVDB-ID: #VU72430

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-24804

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read from and write to the Android app’s internal.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ownCloud Android App: before 3.0

External links

http://securitylab.github.com/advisories/GHSL-2022-059_GHSL-2022-060_Owncloud_Android_app/
http://owncloud.com/security-advisories/oc-sa-2023-001/
http://hackerone.com/reports/377107

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.