Cleartext storage of private key in OpenVPN Connect on Android

1) Inclusion of Sensitive Information in Log Files

EUVDB-ID: #VU102440

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-8474

CWE-ID: CWE-532 - Information Exposure Through Log Files

Exploit availability: No

Description

The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to application writes the configuration profile's clear-text private key in the application log. A local application installed on the device can read the log file and gain obtain the OpenVPN private key. This key can be used to decrypt traffic between client and the VPN server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenVPN Connect on Android: 1.1.17 - 3.4.2

CPE2.3

• cpe:2.3:a:openvpn_net:openvpn_connect_on_android:1.1.17:*:*:*:*:*:*:*
• cpe:2.3:a:openvpn_net:openvpn_connect_on_android:1.1.21:*:*:*:*:*:*:*
• cpe:2.3:a:openvpn_net:openvpn_connect_on_android:1.1.22:*:*:*:*:*:*:*

External links

https://openvpn.net/connect-docs/android-release-notes.html
https://github.com/advisories/GHSA-qcg2-98h8-485j
https://openvpn.net/security-advisories/#f4fbdfc0e644bef3c962880f02716c5c

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.

How the attacker can exploit this vulnerability?

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

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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