Resource Injection in ownCloud Desktop

1) Improper Control of Resource Identifiers ('Resource Injection')

EUVDB-ID: #VU60008

Risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-44537

CWE-ID: CWE-99 - Improper Control of Resource Identifiers ('Resource Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to missing validation of URLs. A remote administrator can perform a resource injection attack and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ownCloud Desktop App: 2.0.0 rc1 - 2.9.2 rc5

CPE2.3

• cpe:2.3:a:owncloud:owncloud_desktop_app:2.0.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_desktop_app:2.0.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_desktop_app:2.0.0:*:*:*:*:*:*:*

External links

https://owncloud.com/security-advisories/cve-2021-44537/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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