(RHSA-2023:5175) Important: Red Hat OpenShift Service Mesh 2.2.10 security update

2023-09-1417:30:14

access.redhat.com

rhsa-2023

istio service mesh

openshift container platform

security update

oauth2 credentials exploit

http requests

http/2

memory leak

cve-2023-35941

cve-2023-35944

cve-2023-35945

cvss score

references

CVSS3

9.8

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

EPSS

0.003

Percentile

65.8%

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: OAuth2 credentials exploit with permanent validity (CVE-2023-35941)
envoy: Incorrect handling of HTTP requests and responses with mixed case schemes (CVE-2023-35944)
envoy: HTTP/2 memory leak in nghttp2 codec (CVE-2023-35945)

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.