Login credentials disclosure in Okta Verify Desktop MFA for Windows Passwordless Login

1) Incorrect default permissions

EUVDB-ID: #VU99624

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-9191

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

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

The vulnerability exists due to a missing access restrictions to the OktaDeviceAccessPipe, which enables attackers in a compromised device to retrieve passwords associated with Desktop MFA passwordless logins.

Note, Okta Device Access users not using passwordless login feature are not affected.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Okta Verify for Windows: 5.0.2 - 5.3.2

CPE2.3

• cpe:2.3:a:okta:okta_verify_for_windows:5.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:okta:okta_verify_for_windows:5.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:okta:okta_verify_for_windows:5.1.3:*:*:*:*:*:*:*

External links

https://trust.okta.com/security-advisories/okta-verify-desktop-mfa-for-windows-passwordless-login-cve-2024-9191

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.