Staging Environment: Content and features may be unstable or change without notice.
Advisory details: vulnrichment / CVE-2023-6544
Advisory ID vulnrichment/CVE-2023-6544
Aliases
Summary A flaw was found in the Keycloak package. This issue occurs due to a permissive regular expression hardcoded for filtering which allows hosts to register a dynamic client. A malicious user with enough information about the environment could jeopardize an environment with this specific Dynamic Client Registration and TrustedDomain configuration previously unauthorized.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-625 Permissive Regular Expression
System Score Found at
cvssv3.1 5.4
ssvc Track
Reference id Reference type URL
2253116 Bug https://bugzilla.redhat.com/show_bug.cgi?id=2253116
cpe:/a:redhat:build_keycloak:22 Other https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:build_keycloak:22
cpe:/a:redhat:build_keycloak:22::el9 Other https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:build_keycloak:22::el9
cpe:/a:redhat:red_hat_single_sign_on:7.6 Other https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:red_hat_single_sign_on:7.6
cpe:/a:redhat:red_hat_single_sign_on:7.6::el7 Other https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:red_hat_single_sign_on:7.6::el7
cpe:/a:redhat:red_hat_single_sign_on:7.6::el8 Other https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:red_hat_single_sign_on:7.6::el8
cpe:/a:redhat:red_hat_single_sign_on:7.6::el9 Other https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:red_hat_single_sign_on:7.6::el9
cpe:/a:redhat:rhosemc:1.0::el8 Other https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhosemc:1.0::el8
CVE-2023-6544 Advisory https://access.redhat.com/security/cve/CVE-2023-6544
RHSA-2024:1860 https://access.redhat.com/errata/RHSA-2024:1860
RHSA-2024:1861 https://access.redhat.com/errata/RHSA-2024:1861
RHSA-2024:1862 https://access.redhat.com/errata/RHSA-2024:1862
RHSA-2024:1864 https://access.redhat.com/errata/RHSA-2024:1864
RHSA-2024:1866 https://access.redhat.com/errata/RHSA-2024:1866
RHSA-2024:1867 https://access.redhat.com/errata/RHSA-2024:1867
RHSA-2024:1868 https://access.redhat.com/errata/RHSA-2024:1868
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Found at None
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T19:19:09Z/ Found at None

Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T19:19:09Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2023/6xxx/CVE-2023-6544.json

Source Advisory: vulnrichment/CVE-2023-6544

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]