CVE-2024-4540— Keycloak: exposure of sensitive information in pushed authorization requests (par) kc_restart cookie
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I. Basic Information for CVE-2024-4540
Vulnerability Information
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Vulnerability Title
Keycloak: exposure of sensitive information in pushed authorization requests (par) kc_restart cookie
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in Keycloak in OAuth 2.0 Pushed Authorization Requests (PAR). Client-provided parameters were found to be included in plain text in the KC_RESTART cookie returned by the authorization server's HTTP response to a `request_uri` authorization request, possibly leading to an information disclosure vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
敏感数据的明文存储
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat Keycloak 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 Red Hat Keycloak存在信息泄露漏洞，该漏洞源于推送授权请求 (PAR) KC_RESTART cookie 中存在敏感信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Build of Keycloak | - | cpe:/a:redhat:build_keycloak:22 | |
| Red Hat | Red Hat Build of Keycloak | - | cpe:/a:redhat:build_keycloak:22 | |
| Red Hat | Red Hat build of Keycloak 22 | 22.0.11-2 ~ * | cpe:/a:redhat:build_keycloak:22::el9 | |
| Red Hat | Red Hat build of Keycloak 22 | 22-15 ~ * | cpe:/a:redhat:build_keycloak:22::el9 | |
| Red Hat | Red Hat build of Keycloak 22 | 22-18 ~ * | cpe:/a:redhat:build_keycloak:22::el9 | |
| Red Hat | Red Hat build of Keycloak 24 | 24.0.5-2 ~ * | cpe:/a:redhat:build_keycloak:24::el9 | |
| Red Hat | Red Hat build of Keycloak 24 | 24-10 ~ * | cpe:/a:redhat:build_keycloak:24::el9 | |
| Red Hat | Red Hat build of Keycloak 24 | 24-10 ~ * | cpe:/a:redhat:build_keycloak:24::el9 | |
| Red Hat | Red Hat Single Sign-On 7 | - | cpe:/a:redhat:red_hat_single_sign_on:7.6 | |
| Red Hat | Red Hat Single Sign-On 7.6 for RHEL 7 | 0:18.0.14-1.redhat_00001.1.el7sso ~ * | cpe:/a:redhat:red_hat_single_sign_on:7.6::el7 | |
| Red Hat | Red Hat Single Sign-On 7.6 for RHEL 8 | 0:18.0.14-1.redhat_00001.1.el8sso ~ * | cpe:/a:redhat:red_hat_single_sign_on:7.6::el8 | |
| Red Hat | Red Hat Single Sign-On 7.6 for RHEL 9 | 0:18.0.14-1.redhat_00001.1.el9sso ~ * | cpe:/a:redhat:red_hat_single_sign_on:7.6::el9 | |
| Red Hat | RHEL-8 based Middleware Containers | 7.6-49 ~ * | cpe:/a:redhat:rhosemc:1.0::el8 |
II. Public POCs for CVE-2024-4540
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-312
- CVE-2026-7163
Assisted-service: assisted-service: authenticated users can - CVE-2026-41385
OpenClaw < 2026.3.31 - Nostr Private Key Exposure via config - CVE-2026-6553
TYPO3 CMS Stores Cleartext Password in User Settings Module - CVE-2026-35644
OpenClaw < 2026.3.22 - Credential Exposure via baseUrl Field - CVE-2025-14815
Information Disclosure, Tampering, and Denial-of-Service Vul
V. Comments for CVE-2024-4540
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