CVE-2019-12995

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

stio anterior a versión 1.2.2, maneja inapropiadamente ciertos tokens de acceso, lo que conlleva a que "Epoch 0 terminated with an error" en Envoy. Esto está relacionado con un fallo de segmentación en el archivo jwt_authenticator.cc.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-06-28 CVE Reserved
2019-06-28 CVE Published
2024-06-21 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (3)

URL	Tag	Source
https://github.com/istio/istio.io/pull/4555	Third Party Advisory
https://github.com/istio/istio/issues/15084	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://istio.io/about/notes	2020-08-24

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Istio Search vendor "Istio"		Istio Search vendor "Istio" for product "Istio"				< 1.2.2 Search vendor "Istio" for product "Istio" and version " < 1.2.2"		-		Affected