Medium severity · published Dec 14, 2023
CVE-2023-6134
A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token
5.4
CVSS
1.3%
EPSS
No
On KEV
Description
A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This issue could allow an attacker to submit a specially crafted request leading to cross-site scripting (XSS) or further attacks. This flaw is the result of an incomplete fix for CVE-2020-10748.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keycloak · Redhat
before 22.0.7 · source: NVD
OC
Openshift Container Platform · Redhat
4.11; 4.12 · source: NVD
OC
Openshift Container Platform For Power · Redhat
4.9; 4.10 · source: NVD
OC
Openshift Container Platform Ibm Z Systems · Redhat
4.9; 4.10 · source: NVD
SS
Single Sign-on · Redhat
before 7.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6134
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6134
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:7854
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:7855
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:7856
Exploit
https://access.redhat.com/errata/RHSA-2023:7857
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:7858
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:7860
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