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Spring Security vulnerable to Authorization Bypass

High severity GitHub Reviewed Published Dec 20, 2018 to the GitHub Advisory Database • Updated Mar 14, 2024

Package

maven org.springframework.security:spring-security-core (Maven)

Affected versions

>= 5.1.0, < 5.1.2

Patched versions

5.1.2
maven org.springframework.security:spring-security-oauth2-jose (Maven)
>= 5.1.0, < 5.1.2
5.1.2

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.

References

Published by the National Vulnerability Database Dec 19, 2018
Published to the GitHub Advisory Database Dec 20, 2018
Reviewed Jun 16, 2020
Last updated Mar 14, 2024

Severity

High
7.4
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CVE ID

CVE-2018-15801

GHSA ID

GHSA-27xw-p8v6-9jjr

Source code

Credits

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