CVE-2018-15801

Authorization Bypass During JWT Issuer Validation with spring-security

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.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory pivotal.io
Affected: Spring by Pivotal Spring Security
Published at:
Updated at:

References

Link Tags
https://pivotal.io/security/cve-2018-15801 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-15801?
CVE-2018-15801 has been scored as a high severity vulnerability.
How to fix CVE-2018-15801?
To fix CVE-2018-15801, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-15801 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-15801 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-15801?
CVE-2018-15801 affects Spring by Pivotal Spring Security.
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