CVE-2017-2773 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/97135 https://pivotal.io/security/cve-2017-2773

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8