#VU28218 Cleartext storage of sensitive information in OpenConnect VPN Client


Published: 2020-05-25

Vulnerability identifier: #VU28218

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-20319

CWE-ID: CWE-312

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
OpenConnect VPN Client
Client/Desktop applications / Other client software

Vendor: OpenConnect

Description

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

The vulnerability exists due to OpenConnect VPN client stores credentials in an insecure manner in memory. A local user can read credentials from memory in plain text.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenConnect VPN Client: 0.90 - 7.08


External links
http://labs.nettitude.com/blog/why-you-should-always-have-two-factor-authentication-on-your-vpn-cve-2018-20319/
http://www.infradead.org/openconnect/changelog.html


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.


Latest bulletins with this vulnerability