Vulnerability Details : CVE-2022-39388
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.
Products affected by CVE-2022-39388
- cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-39388
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-39388
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
2.1
|
1.4
|
NIST | |
|
7.6
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N |
2.3
|
4.7
|
GitHub, Inc. |
CWE ids for CVE-2022-39388
-
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.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2022-39388
-
https://github.com/istio/istio/commit/346260e5115e9fbc65ba8a559bc686e6ca046a32
add xfcc authenticator (#39405) · istio/istio@346260e · GitHubPatch;Third Party Advisory
-
https://github.com/istio/istio/security/advisories/GHSA-6c6p-h79f-g6p4
Identity impersonation if user has localhost access · Advisory · istio/istio · GitHubThird Party Advisory
-
https://istio.io/latest/news/releases/1.15.x/announcing-1.15.3/
Istio / Announcing Istio 1.15.3Release Notes;Vendor Advisory
-
https://github.com/istio/istio/commit/9a643e270421560afb2630e00f76d46a55499df9
[release-1.15] fix localhost address check in xfcc authenticator (#41… · istio/istio@9a643e2 · GitHubPatch;Third Party Advisory
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