VDB-191269 · CVE-2022-21701 · GHSA-mq8f-9446-c28r

Istio 1.12.0/1.12.1 Kubernetes Gateway API authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Istio 1.12.0/1.12.1. Affected by this issue is some unknown functionality of the component Kubernetes Gateway API. This manipulation causes authorization. The identification of this vulnerability is CVE-2022-21701. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Istio 1.12.0/1.12.1. Affected by this vulnerability is an unknown functionality of the component Kubernetes Gateway API. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 01/20/2022 as GHSA-mq8f-9446-c28r. The advisory is shared at github.com. This vulnerability is known as CVE-2022-21701 since 11/16/2021. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.12.2 eliminates this vulnerability. The upgrade is hosted for download at istio.io.

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Productinfo

Name

Istio

Version

Website

Product: https://github.com/istio/istio/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.0
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Istio 1.12.2

Timelineinfo

11/16/2021 🔍
01/20/2022 +65 days 🔍
01/20/2022 +0 days 🔍
01/26/2022 +6 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-mq8f-9446-c28r
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-21701 (🔍)
GCVE (CVE): GCVE-0-2022-21701
GCVE (VulDB): GCVE-100-191269

Entryinfo

Created: 01/20/2022 06:55
Updated: 01/26/2022 08:47
Changes: 01/20/2022 06:55 (50), 01/26/2022 08:47 (2)
Complete: 🔍
Cache ID: 216::103