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Red Hat Security Advisory 2021-1540-01

Red Hat Security Advisory 2021-1540-01
Posted May 12, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1540-01 - 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. Issues addressed include a bypass vulnerability.

tags | advisory, bypass
systems | linux, redhat
advisories | CVE-2021-29492, CVE-2021-31920
MD5 | 45f8a6b86179c32a2ad1df82357e7cd0

Red Hat Security Advisory 2021-1540-01

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====================================================================
Red Hat Security Advisory

Synopsis: Important: Red Hat OpenShift Service Mesh 1.1.14 security update
Advisory ID: RHSA-2021:1540-01
Product: Red Hat OpenShift Service Mesh
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1540
Issue date: 2021-05-11
CVE Names: CVE-2021-29492 CVE-2021-31920
====================================================================
1. Summary:

An update for servicemesh and servicemesh-proxy is now available for
OpenShift Service Mesh 1.1.

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.

2. Relevant releases/architectures:

OpenShift Service Mesh 1.1 - ppc64le, s390x, x86_64

3. 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):

* envoyproxy/envoy: HTTP request with escaped slash characters can bypass
Envoy's authorization mechanisms (CVE-2021-29492)

* istio/istio: HTTP request with escaped slash characters can bypass
authorization mechanisms (CVE-2021-31920)

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.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

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

5. Bugs fixed (https://bugzilla.redhat.com/):

1951188 - CVE-2021-29492 envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy's authorization mechanisms
1959481 - CVE-2021-31920 istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms

6. Package List:

OpenShift Service Mesh 1.1:

Source:
servicemesh-1.1.14-1.el8.src.rpm
servicemesh-proxy-1.1.14-1.el8.src.rpm

ppc64le:
servicemesh-1.1.14-1.el8.ppc64le.rpm
servicemesh-citadel-1.1.14-1.el8.ppc64le.rpm
servicemesh-galley-1.1.14-1.el8.ppc64le.rpm
servicemesh-istioctl-1.1.14-1.el8.ppc64le.rpm
servicemesh-mixc-1.1.14-1.el8.ppc64le.rpm
servicemesh-mixs-1.1.14-1.el8.ppc64le.rpm
servicemesh-pilot-agent-1.1.14-1.el8.ppc64le.rpm
servicemesh-pilot-discovery-1.1.14-1.el8.ppc64le.rpm
servicemesh-proxy-1.1.14-1.el8.ppc64le.rpm
servicemesh-sidecar-injector-1.1.14-1.el8.ppc64le.rpm

s390x:
servicemesh-1.1.14-1.el8.s390x.rpm
servicemesh-citadel-1.1.14-1.el8.s390x.rpm
servicemesh-galley-1.1.14-1.el8.s390x.rpm
servicemesh-istioctl-1.1.14-1.el8.s390x.rpm
servicemesh-mixc-1.1.14-1.el8.s390x.rpm
servicemesh-mixs-1.1.14-1.el8.s390x.rpm
servicemesh-pilot-agent-1.1.14-1.el8.s390x.rpm
servicemesh-pilot-discovery-1.1.14-1.el8.s390x.rpm
servicemesh-proxy-1.1.14-1.el8.s390x.rpm
servicemesh-sidecar-injector-1.1.14-1.el8.s390x.rpm

x86_64:
servicemesh-1.1.14-1.el8.x86_64.rpm
servicemesh-citadel-1.1.14-1.el8.x86_64.rpm
servicemesh-galley-1.1.14-1.el8.x86_64.rpm
servicemesh-istioctl-1.1.14-1.el8.x86_64.rpm
servicemesh-mixc-1.1.14-1.el8.x86_64.rpm
servicemesh-mixs-1.1.14-1.el8.x86_64.rpm
servicemesh-pilot-agent-1.1.14-1.el8.x86_64.rpm
servicemesh-pilot-discovery-1.1.14-1.el8.x86_64.rpm
servicemesh-proxy-1.1.14-1.el8.x86_64.rpm
servicemesh-sidecar-injector-1.1.14-1.el8.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2021-29492
https://access.redhat.com/security/cve/CVE-2021-31920
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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