CVE-2018-15801: Authorization Bypass During JWT Issuer Validation with spring-security
First published: Wed Dec 19 2018(Updated: )
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.
Credit: security_alert@emc.com security_alert@emc.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| VMware Spring Framework | >=5.1.0<5.1.2 | |
| maven/org.springframework.security:spring-security-oauth2-jose | >=5.1.0<5.1.2 | 5.1.2 |
| maven/org.springframework.security:spring-security-core | >=5.1.0<5.1.2 | 5.1.2 |
| >=5.1.0<5.1.2 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-15801?
CVE-2018-15801 is a vulnerability in Spring Security versions 5.1.x prior to 5.1.2 that allows an authorization bypass during JWT issuer validation.
What is the severity of CVE-2018-15801?
The severity of CVE-2018-15801 is high with a CVSS score of 7.4.
How does CVE-2018-15801 affect VMware Spring Framework?
CVE-2018-15801 affects VMware Spring Framework versions 5.1.x prior to 5.1.2.
What is the possible impact of CVE-2018-15801?
The vulnerability can be exploited by an attacker using the same private key as an honest issuer to generate malicious JWTs and bypass authorization.
How can I fix CVE-2018-15801 in Spring Security?
To fix CVE-2018-15801, upgrade to version 5.1.2 or later of Spring Security.
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