Path traversal in ownCloud Android App

1) Path traversal

EUVDB-ID: #VU72430

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

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: All versions

CPE2.3

• cpe:2.3:a:owncloud:owncloud_android_app:*:*:*:*:*:*:*:*

External links

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to perform certain actions on the device.

Is there known malware, which exploits this vulnerability?

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