Vulnerability identifier: #VU65130
Vulnerability risk: Low
CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-285
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 modify files on the system.
The vulnerability exists due to improper authorization. A remote user can add users to the master realm possible even though no respective permission was granted.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Keycloak: 17.0.0
External links
http://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-076.txt
http://www.syss.de/pentest-blog/fehlerhafte-autorisierung-bei-red-hat-single-sign-on-750ga-syss-2021-076
http://bugzilla.redhat.com/show_bug.cgi?id=2050228
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.