ISTIO-SECURITY-2023-001
Multiple CVEs reported by Envoy.
| Disclosure Details | |
|---|---|
| CVE(s) | CVE-2023-27496 CVE-2023-27488 CVE-2023-27493 CVE-2023-27492 CVE-2023-27491 CVE-2023-27487 |
| CVSS Impact Score | 8.2 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
| Affected Releases | All releases prior to 1.15.0 1.15.0 to 1.15.6 1.16.0 to 1.16.3 1.17.0 to 1.17.1 |
CVE
Envoy CVEs
CVE-2023-27487: (CVSS Score 8.2, High): Client may fake the header
x-envoy-original-path.CVE-2023-27488: (CVSS Score 5.4, Moderate): gRPC client produces invalid protobuf when an HTTP header with non-UTF8 value is received.
CVE-2023-27491: (CVSS Score 5.4, Moderate): Envoy forwards invalid HTTP/2 and HTTP/3 downstream headers.
CVE-2023-27492: (CVSS Score 4.8, Moderate): Crash when a large request body is processed in Lua filter.
CVE-2023-27493: (CVSS Score 8.1, High): Envoy doesn’t escape HTTP header values.
CVE-2023-27496: (CVSS Score 6.5, Moderate): Crash when a redirect url without a state parameter is received in the OAuth filter.
Am I Impacted?
You may be at risk if you have an Istio gateway or if you use external istiod.