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CVE-2022-39388

Date: November 9, 2022

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.

Language: Go

Severity Score

Related Resources (8)

https://github.com/istio/istio/security/advisories/GHSA-6c6p-h79f-g6p4
https://istio.io/latest/news/releases/1.15.x/announcing-1.15.3/
https://github.com/istio/istio/commit/346260e5115e9fbc65ba8a559bc686e6ca046a32
https://nvd.nist.gov/vuln/detail/CVE-2022-39388
https://istio.io/latest/news/releases/1.15.x/announcing-1.15.3
https://github.com/istio/istio/commit/9a643e270421560afb2630e00f76d46a55499df9
https://github.com/istio/istio
https://www.mend.io/vulnerability-database/CVE-2022-39388

Severity Score

Weakness Type (CWE)

Incorrect Authorization

CWE-863

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): NONE

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