#VU88794 Path traversal in Keycloak - CVE-2024-2419

Vulnerability identifier: #VU88794

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-2419

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Keycloak
Server applications / Directory software, identity management

Vendor: Keycloak

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to an error in the redirect_uri validation logic within org.keycloak.protocol.oidc.utils. A remote user can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Keycloak: 22.0.0 - 24.0.2

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External links
https://access.redhat.com/security/cve/CVE-2024-2419
https://bugzilla.redhat.com/show_bug.cgi?id=2269371
https://access.redhat.com/errata/RHSA-2024:1867

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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