Open redirect in Keycloak
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-6927 |
| CWE-ID | CWE-601 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Keycloak Server applications / Directory software, identity management |
| Vendor | Keycloak |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Open redirect
EUVDB-ID: #VU85171
Risk: Low
CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-6927
CWE-ID:
CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt".
MitigationInstall updates from vendor's website.
Vulnerable software versionsKeycloak: 22.0.0 - 23.0.3
External linkshttp://access.redhat.com/security/cve/CVE-2023-6927
http://bugzilla.redhat.com/show_bug.cgi?id=2255027
http://access.redhat.com/errata/RHSA-2024:0100
http://access.redhat.com/errata/RHSA-2024:0101
http://github.com/keycloak/keycloak/security/advisories/GHSA-9vm7-v8wj-3fqw
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
