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CVE-2023-0657— Keycloak: impersonation via logout token exchange

Quick assessment

Affected
Red Hat Red Hat build of Keycloak 22
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.

暂无详细信息。

CVSS 3.4 · Low EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1199 · Trusted Relationship
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I. Basic Information for CVE-2023-0657

Vulnerability Information
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Vulnerability Title
Keycloak: impersonation via logout token exchange
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对于放弃特权的检查不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
编号已被CVE保留
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
暂无详细信息。
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 22 22.0.10-1 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red Hat Red Hat build of Keycloak 22 22-13 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red Hat Red Hat build of Keycloak 22 22-16 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red Hat Red Hat build of Keycloak 22.0.10 - cpe:/a:redhat:build_keycloak:22
Red Hat Red Hat Single Sign-On 7 - cpe:/a:redhat:red_hat_single_sign_on:7

II. Public POCs for CVE-2023-0657

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III. Intelligence Information for CVE-2023-0657

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Vendor Advisories for CVE-2023-0657 (2)

IV. Related Vulnerabilities

Same weakness: CWE-273

V. Comments for CVE-2023-0657

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