An issue was discovered in Pivotal PCF Elastic Runtime 1.6.x versions prior to 1.6.60, 1.7.x versions prior to 1.7.41, 1.8.x versions prior to 1.8.23, and 1.9.x versions prior to 1.9.1. Incomplete validation logic in JSON Web Token (JWT) libraries can allow unprivileged attackers to impersonate other users in multiple components included in PCF Elastic Runtime, aka an "Unauthenticated JWT signing algorithm in multiple components" issue.
| Date Added | Due Date | Vulnerability Name | Required Action |
|---|---|---|---|
| N/A |
| Type | Version | Base score | Base severity | Vector |
|---|---|---|---|---|
| Primary | 3.0 | 9.8 | CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Primary | 2.0 | 7.5 | HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| CWE ID | Type | Source |
|---|---|---|
| CWE-20 | Primary | nvd@nist.gov |
| Hyperlink | Source | Resource |
|---|---|---|
| http://www.securityfocus.com/bid/97135 | security_alert@emc.com | Third Party Advisory VDB Entry |
| https://pivotal.io/security/cve-2017-2773 | security_alert@emc.com | Mitigation Vendor Advisory |
| http://www.securityfocus.com/bid/97135 | af854a3a-2127-422b-91ae-364da2661108 | Third Party Advisory VDB Entry |
| https://pivotal.io/security/cve-2017-2773 | af854a3a-2127-422b-91ae-364da2661108 | Mitigation Vendor Advisory |