CVE-2023-6927
Keycloak Numeric Authorization Code Token Bypass Vulnerability
Description
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.
INFO
Published Date :
Dec. 18, 2023, 11:15 p.m.
Last Modified :
Nov. 21, 2024, 8:44 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-6927.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-6927 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-6927 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2024:0094 Added Reference https://access.redhat.com/errata/RHSA-2024:0095 Added Reference https://access.redhat.com/errata/RHSA-2024:0096 Added Reference https://access.redhat.com/errata/RHSA-2024:0097 Added Reference https://access.redhat.com/errata/RHSA-2024:0098 Added Reference https://access.redhat.com/errata/RHSA-2024:0100 Added Reference https://access.redhat.com/errata/RHSA-2024:0101 Added Reference https://access.redhat.com/errata/RHSA-2024:0798 Added Reference https://access.redhat.com/errata/RHSA-2024:0799 Added Reference https://access.redhat.com/errata/RHSA-2024:0800 Added Reference https://access.redhat.com/errata/RHSA-2024:0801 Added Reference https://access.redhat.com/errata/RHSA-2024:0804 Added Reference https://access.redhat.com/security/cve/CVE-2023-6927 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2255027 -
CVE Modified by [email protected]
Jun. 12, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jun. 12, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 14, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0798 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0799 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0800 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0801 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0804 [No types assigned] -
CVE Modified by [email protected]
Jan. 09, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0094 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0095 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0096 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0097 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0098 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0100 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0101 [No types assigned] -
Initial Analysis by [email protected]
Dec. 22, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-6927 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-6927 Vendor Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2255027 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2255027 Issue Tracking, Vendor Advisory Added CWE NIST CWE-601 Added CPE Configuration OR *cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:* -
CVE Received by [email protected]
Dec. 18, 2023
Action Type Old Value New Value Added Description A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134. Added Reference Red Hat, Inc. https://access.redhat.com/security/cve/CVE-2023-6927 [No types assigned] Added Reference Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=2255027 [No types assigned] Added CWE Red Hat, Inc. CWE-601 Added CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-6927 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-6927
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.17 }} -0.00%
score
0.53706
percentile