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CVE-2022-3916— Keycloak: session takeover with oidc offline refreshtokens

Quick assessment

Affected
Red Hat Red Hat Single Sign-On 7
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 offline_access存在安全漏洞，该漏洞源于缺少root会话验证，以及跨root和用户重用会话 ID，攻击者能够解析附加到先前经过身份验证的用户的用户会话，在使用刷新令牌时，他们将获得原始用户的令牌。

CVSS 6.8 · Medium EPSS 0.95% · P60
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I. Basic Information for CVE-2022-3916

Vulnerability Information
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Vulnerability Title
Keycloak: session takeover with oidc offline refreshtokens
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the offline_access scope in Keycloak. This issue would affect users of shared computers more (especially if cookies are not cleared), due to a lack of root session validation, and the reuse of session ids across root and user authentication sessions. This enables an attacker to resolve a user session attached to a previously authenticated user; when utilizing the refresh token, they will be issued a token for the original user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
会话固定
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Keycloak 代码问题漏洞
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 offline_access存在安全漏洞，该漏洞源于缺少root会话验证，以及跨root和用户重用会话 ID，攻击者能够解析附加到先前经过身份验证的用户的用户会话，在使用刷新令牌时，他们将获得原始用户的令牌。
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 Single Sign-On 7 - cpe:/a:redhat:red_hat_single_sign_on:7.6
Red Hat Red Hat Single Sign-On 7.6.1 - cpe:/a:redhat:red_hat_single_sign_on:7.6.1
Red Hat Red Hat Single Sign-On 7.6 for RHEL 7 0:18.0.3-1.redhat_00002.1.el7sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el7
Red Hat Red Hat Single Sign-On 7.6 for RHEL 7 0:18.0.6-1.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 0:18.0.3-1.redhat_00002.1.el8sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el8
Red Hat Red Hat Single Sign-On 7.6 for RHEL 8 0:18.0.6-1.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 0:18.0.3-1.redhat_00002.1.el9sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el9
Red Hat Red Hat Single Sign-On 7.6 for RHEL 9 0:18.0.6-1.redhat_00001.1.el9sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el9
Red Hat RHEL-8 based Middleware Containers 7.6-15 ~ * cpe:/a:redhat:rhosemc:1.0::el8
Red Hat RHEL-8 based Middleware Containers 7.6-20 ~ * cpe:/a:redhat:rhosemc:1.0::el8

II. Public POCs for CVE-2022-3916

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III. Intelligence Information for CVE-2022-3916

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Vendor Advisories for CVE-2022-3916 (12)

Same Patch Batch · Red Hat · 2023-09-20 · 4 CVEs total

CVE-2023-4853 8.1 HIGH Quarkus: http security policy bypass
CVE-2022-3596 7.5 HIGH Instack-undercloud: rsync leaks information to undercloud
CVE-2022-1438 6.4 MEDIUM Keycloak: xss on impersonation under specific circumstances

IV. Related Vulnerabilities

Same product: Red Hat Single Sign-On 7
Same vendor: Red Hat
Same weakness: CWE-384

V. Comments for CVE-2022-3916

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