#VU88798 Path traversal in Keycloak - CVE-2024-1132

Vulnerability identifier: #VU88798

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-1132

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 attacker to perform directory traversal attacks.

The vulnerability exists due to improper validation of URLs included in a redirect in org.keycloak.protocol.oidc. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Note, the vulnerability affects any client that utilizes a wildcard in the Valid Redirect URIs field.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Keycloak: 22.0.0 - 24.0.2

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External links
https://github.com/keycloak/keycloak/security/advisories/GHSA-72vp-xfrc-42xm
https://access.redhat.com/errata/RHSA-2024:1867
https://access.redhat.com/errata/RHSA-2024:1868

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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