CVE-2018-1256 — HIGH (8.1) — White Hats Nepal

Vulnerability 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.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Vmware	Spring Cloud Sso Connector	2.1.2

References

https://pivotal.io/security/cve-2018-1256MitigationVendor Advisory
https://pivotal.io/security/cve-2018-1256MitigationVendor Advisory

FAQ

What is CVE-2018-1256?

CVE-2018-1256 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 servic...

How severe is CVE-2018-1256?

CVE-2018-1256 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-1256?

Check the references section above for vendor advisories and patch information. Affected products include: Vmware Spring Cloud Sso Connector.