CVE-2022-39388
HIGH severity · CVSS 7.6 · Incorrect authorization
7.6CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorAdjacent
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/istio/istio/commit/346260e5115e9fbc65ba8a559bc686e6ca046a32 ↗
Additional information
- NVD record
- https://github.com/istio/istio/commit/346260e5115e9fbc65ba8a559bc686e6ca046a32Patch
- https://github.com/istio/istio/commit/9a643e270421560afb2630e00f76d46a55499df9Patch
- https://istio.io/latest/news/releases/1.15.x/announcing-1.15.3/Advisory
- https://github.com/istio/istio/security/advisories/GHSA-6c6p-h79f-g6p4Advisory