VDB-193631 · CVE-2022-23635 · GHSA-856q-xv3c-7f2f

Istio istiod improper authentication

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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Istio. This impacts an unknown function of the component istiod. The manipulation leads to improper authentication. This vulnerability is documented as CVE-2022-23635. The attack can be initiated remotely. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Istio (the affected version is unknown) and classified as critical. This issue affects an unknown code of the component istiod. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is availability.

The weakness was released 02/23/2022 as GHSA-856q-xv3c-7f2f. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-23635 since 01/19/2022. The technical details are unknown and an exploit is not publicly available.

Applying the patch 5f3b5ed958ae75156f8656fe7b3794f78e94db84 is able to eliminate this problem. The bugfix is ready for download at github.com.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Istio

License

open-source

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
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: Improper authentication
CWE: CWE-287
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 5f3b5ed958ae75156f8656fe7b3794f78e94db84

Timelineinfo

01/19/2022 🔍
02/23/2022 +35 days 🔍
02/23/2022 +0 days 🔍
02/25/2022 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-856q-xv3c-7f2f
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-23635 (🔍)
GCVE (CVE): GCVE-0-2022-23635
GCVE (VulDB): GCVE-100-193631

Entryinfo

Created: 02/23/2022 07:33
Updated: 02/25/2022 14:32
Changes: 02/23/2022 07:33 (49), 02/25/2022 14:32 (2)
Complete: 🔍
Cache ID: 216::103