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Red Hat OpenShift 2.3.6: RHSA-2023-4624-01 Important OAuth2 Exploit

red hat
Calendar Grey August 11, 2023
Dist Redhat Esm H88
Red Hat OpenShift Service Mesh security patch fixes several vulnerabilities to protect installations for clients.
Red Hat OpenShift Service Mesh 2.3.6 Containers Red Hat Product Security has rated this update as having a security impact of Important

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

Summary

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.

Topics%20covered

Topics Covered

security advisory security update important Red Hat OpenShift service mesh OAuth2 exploit access log crash

References

https://access.redhat.com/security/cve/CVE-2023-2828 https://access.redhat.com/security/cve/CVE-2023-35941 https://access.redhat.com/security/cve/CVE-2023-35942 https://access.redhat.com/security/cve/CVE-2023-35943 https://access.redhat.com/security/cve/CVE-2023-35944 https://access.redhat.com/security/cve/CVE-2023-35945 https://access.redhat.com/security/updates/classification/#important

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4624-01
Product: Red Hat OpenShift Service Mesh
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4624
Issue date: 2023-08-11

Topic

Red Hat OpenShift Service Mesh 2.3.6 ContainersRed Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update important Red Hat OpenShift service mesh OAuth2 exploit access log crash

Relevant Releases Architectures

Bugs Fixed

2217977 - CVE-2023-35941 envoy: OAuth2 credentials exploit with permanent validity

2217978 - CVE-2023-35942 envoy: gRPC access log crash caused by the listener draining

2217983 - CVE-2023-35945 envoy: HTTP/2 memory leak in nghttp2 codec

2217985 - CVE-2023-35944 envoy: Incorrect handling of HTTP requests and responses with mixed case schemes

2217987 - CVE-2023-35943 envoy: CORS filter segfault when origin header is removed

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