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CVE-2018-15801— Authorization Bypass During JWT Issuer Validation with spring-security

Quick assessment

Affected
Spring by Pivotal Spring Security
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.

Pivotal Spring Framework是美国Pivotal Software公司的一套开源的Java、Java EE应用程序框架。该框架可帮助开发人员构建高质量的应用。 Pivotal Spring Framework 5.1版本至5.1.1版本中对JWT发送者验证的过程存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。

AI Predicted 7.1 Difficulty: Moderate EPSS 0.65% · P49
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I. Basic Information for CVE-2018-15801

Vulnerability Information
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Vulnerability Title
Authorization Bypass During JWT Issuer Validation with spring-security
Source: CVE Program / CVE List V5
Vulnerability Description
Spring Security versions 5.1.x prior to 5.1.2 contain an authorization bypass vulnerability during JWT issuer validation. In order to be impacted, the same private key for an honest issuer and a malicious user must be used when signing JWTs. In that case, a malicious user could fashion signed JWTs with the malicious issuer URL that may be granted for the honest issuer.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Pivotal Spring Framework 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pivotal Spring Framework是美国Pivotal Software公司的一套开源的Java、Java EE应用程序框架。该框架可帮助开发人员构建高质量的应用。 Pivotal Spring Framework 5.1版本至5.1.1版本中对JWT发送者验证的过程存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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
Spring by Pivotal Spring Security 5.1.x ~ 5.1.2 -

II. Public POCs for CVE-2018-15801

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III. Intelligence Information for CVE-2018-15801

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Other References for CVE-2018-15801 (1)

IV. Related Vulnerabilities

Same product: Spring Security
Same vendor: Spring by Pivotal

V. Comments for CVE-2018-15801

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