Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-6134 |
CWE-ID | CWE-79 |
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.
EUVDB-ID: #VU84532
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-6134
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data within wildcard in OIDC redirect_uri. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationInstall updates from vendor's website.
Vulnerable software versionsKeycloak: 22.0.0 - 23.0.2
External linkshttp://access.redhat.com/errata/RHSA-2023:7854
http://access.redhat.com/errata/RHSA-2023:7855
http://access.redhat.com/errata/RHSA-2023:7856
http://access.redhat.com/errata/RHSA-2023:7857
http://access.redhat.com/errata/RHSA-2023:7858
http://access.redhat.com/errata/RHSA-2023:7860
http://access.redhat.com/errata/RHSA-2023:7861
http://access.redhat.com/security/cve/CVE-2023-6134
http://bugzilla.redhat.com/show_bug.cgi?id=2249673
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.