Vulnerability · Published Nov 10, 2022 · Assigned by GitHub_M
CVE-2022-39388Istio may allow identity impersonation if user has localhost access
High 7.6
In plain English
A high-severity incorrect authorization in istio from istio. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/istio/istio | 1.15.3 | GHSA-6c6p-h79f-g6p4 |
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N