Vulnerabilities > CVE-2019-12995 - NULL Pointer Dereference vulnerability in Istio

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

istio

CWE-476

NVD

Published: 2019-06-28

Updated: 2020-08-24

Summary

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.

Vulnerable Configurations

Part	Description	Count
Application	Istio Istio Istio 0.1.0 Istio Istio 0.1.1 Istio Istio 0.1.2 Istio Istio 0.1.3 Istio Istio 0.1.4 Istio Istio 0.1.5 Istio Istio 0.1.6 Istio Istio 0.2 Istio Istio 0.2.0 Istio Istio 0.2.1 Istio Istio 0.2.2 Istio Istio 0.2.4 Istio Istio 0.2.6 Istio Istio 0.2.7 Istio Istio 0.2.9 Istio Istio 0.2.10 Istio Istio 0.2.11 Istio Istio 0.2.12 Istio Istio 0.3 Istio Istio 0.3.0 Istio Istio 0.4 Istio Istio 0.4.0 Istio Istio 0.5 Istio Istio 0.5.0 Istio Istio 0.5.1 Istio Istio 0.6 Istio Istio 0.6.0 Istio Istio 0.7 Istio Istio 0.7.0 Istio Istio 0.7.1 Istio Istio 0.8 Istio Istio 0.8.0 Istio Istio 1.0 Istio Istio 1.0.0 Istio Istio 1.0.1 Istio Istio 1.0.2 Istio Istio 1.0.3 Istio Istio 1.0.4 Istio Istio 1.0.5 Istio Istio 1.0.6 Istio Istio 1.0.7 Istio Istio 1.0.8 Istio Istio 1.0.9 Istio Istio 1.0.10 Istio Istio 1.1 Istio Istio 1.1.0 Istio Istio 1.1.1 Istio Istio 1.1.2 Istio Istio 1.1.3 Istio Istio 1.1.4 Istio Istio 1.1.5 Istio Istio 1.1.6 Istio Istio 1.1.7 Istio Istio 1.1.8 Istio Istio 1.1.9 Istio Istio 1.1.10 Istio Istio 1.1.11 Istio Istio 1.1.12 Istio Istio 1.1.13 Istio Istio 1.1.14 Istio Istio 1.1.15 Istio Istio 1.1.16 Istio Istio 1.1.17 Istio Istio 1.2.0 Istio Istio 1.2.1	86

Common Weakness Enumeration (CWE)

CWE-476 - NULL Pointer Dereference

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References