Privilege escalation in Wildfly application server

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU23014

Risk: Low

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

CVE-ID: CVE-2019-14838

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to wildfly-core allows unnecessary write permissions for management users with Monitor, Auditor and Deployer roles. A remote authenticated user can modify server runtime state and escalate privileges within the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Wildfly Core: 4.0.0 - 10.0.0

CPE2.3

• cpe:2.3:a:red_hat:wildfly_core:4.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:wildfly_core:5.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:wildfly_core:6.0.0:*:*:*:*:*:*:*

External links

https://github.com/wildfly/wildfly-core/commit/80e18b46f73f9d061d4150c66e6dc2fc1fd0bc41
https://access.redhat.com/errata/RHSA-2019:3082
https://access.redhat.com/errata/RHSA-2019:3083
https://access.redhat.com/errata/RHSA-2019:4018
https://access.redhat.com/errata/RHSA-2019:4019
https://access.redhat.com/errata/RHSA-2019:4020
https://access.redhat.com/errata/RHSA-2019:4021
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14838

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.