CVE-2018-1256

Description

Spring Cloud SSO Connector, version 2.1.2, contains a regression which disables issuer validation in resource servers that are not bound to the SSO service. In PCF deployments with multiple SSO service plans, a remote attacker can authenticate to unbound resource servers which use this version of the SSO Connector with tokens generated from another service plan.

8.1

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.41%

Vendor Advisory pivotal.io

Affected: Pivotal Spring Cloud SSO Connector

References

Link	Tags
https://pivotal.io/security/cve-2018-1256	mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-1256?: CVE-2018-1256 has been scored as a high severity vulnerability.
How to fix CVE-2018-1256?: To fix CVE-2018-1256, 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-2018-1256 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2018-1256 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-2018-1256?: CVE-2018-1256 affects Pivotal Spring Cloud SSO Connector.

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