(RHSA-2023:4623) Important: Red Hat OpenShift Service Mesh 2.2.9 security update

2023-08-1116:44:29

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9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.002 Low

EPSS

Percentile

55.2%

JSON

Red Hat OpenShift Service Mesh is Red Hat’s distribution of the Istio service mesh project, tailored for installation into an OpenShift Container Platform installation.

Security Fix(es):

envoy: Client may fake the header x-envoy-original-path (CVE-2023-27487)
envoy: envoy doesn’t escape HTTP header values (CVE-2023-27493)
envoy: gRPC client produces invalid protobuf when an HTTP header with non-UTF8 value is received (CVE-2023-27488)
envoy: Envoy forwards invalid HTTP/2 and HTTP/3 downstream (CVE-2023-27491)
envoy: Crash when a large request body is processed in Lua filter (CVE-2023-27492)
envoy: Crash when a redirect url without a state param is received in the oauth filter (CVE-2023-27496)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.