RHSA-2023:4624 - Security Advisory

Topic

Red Hat OpenShift Service Mesh 2.3.6 Containers

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise 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)
• envoy: gRPC access log crash caused by the listener draining (CVE-2023-35942)
• envoy: CORS filter segfault when origin header is removed (CVE-2023-35943)

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.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat OpenShift Service Mesh 2 for RHEL 8 x86_64
• Red Hat OpenShift Service Mesh for Power 2 for RHEL 8 ppc64le
• Red Hat OpenShift Service Mesh for IBM Z 2 for RHEL 8 s390x

Fixes

• BZ - 2217977 - CVE-2023-35941 envoy: OAuth2 credentials exploit with permanent validity
• BZ - 2217978 - CVE-2023-35942 envoy: gRPC access log crash caused by the listener draining
• BZ - 2217983 - CVE-2023-35945 envoy: HTTP/2 memory leak in nghttp2 codec
• BZ - 2217985 - CVE-2023-35944 envoy: Incorrect handling of HTTP requests and responses with mixed case schemes
• BZ - 2217987 - CVE-2023-35943 envoy: CORS filter segfault when origin header is removed

CVEs

• CVE-2023-2828
• CVE-2023-35941
• CVE-2023-35942
• CVE-2023-35943
• CVE-2023-35944
• CVE-2023-35945

References

• https://access.redhat.com/security/updates/classification/#important