CVE-2019-12995 Information

Description

Istio before 1.2.2 mishandles certain access tokens leading to \Epoch 0 terminated with an error\ in Envoy. This is related to a jwt_authenticator.cc segmentation fault.

CVSS Vector

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

Reference

https://github.com/istio/istio.io/pull/4555 https://github.com/istio/istio/issues/15084 https://istio.io/about/notes/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5