Istio 1.15.0/1.15.1/1.15.2 Service Mesh authorization

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Istio 1.15.0/1.15.1/1.15.2. This impacts an unknown function of the component Service Mesh. The manipulation leads to authorization. This vulnerability is documented as CVE-2022-39388. The attack requires being on the local network. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Istio 1.15.0/1.15.1/1.15.2 and classified as problematic. This issue affects an unknown functionality of the component Service Mesh. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Istio is an open platform to connect, manage, and secure microservices. In versions on the 1.15.x branch prior to 1.15.3, a user can impersonate any workload identity within the service mesh if they have localhost access to the Istiod control plane. Version 1.15.3 contains a patch for this issue. There are no known workarounds.

The weakness was released 11/11/2022 as GHSA-6c6p-h79f-g6p4. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-39388 since 09/02/2022. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.15.3 eliminates this vulnerability. Applying the patch 346260e5115e9fbc65ba8a559bc686e6ca046a32 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.6
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Istio 1.15.3
Patch: 346260e5115e9fbc65ba8a559bc686e6ca046a32

Timelineinfo

09/02/2022 🔍
11/11/2022 +70 days 🔍
11/11/2022 +0 days 🔍
11/11/2022 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-6c6p-h79f-g6p4
Status: Confirmed

CVE: CVE-2022-39388 (🔍)
GCVE (CVE): GCVE-0-2022-39388
GCVE (VulDB): GCVE-100-213431

Entryinfo

Created: 11/11/2022 07:35
Changes: 11/11/2022 07:35 (51)
Complete: 🔍
Cache ID: 216::103

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