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Red Hat Security Advisory

Synopsis: Important: Istio-Proxy Security Update
Advisory ID: RHSA-2019:0741-01
Product: Red Hat OpenShift Service Mesh
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0741
Issue date: 2019-04-10
CVE Names: CVE-2019-9900 CVE-2019-9901
=====================================================================

1. Summary:

An update for Istio-Proxy is now available for Red Hat OpenShift Service
Mesh Tech Preview 0.9.0.

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:

Red Hat OpenShift Service Mesh 0 Tech Preview – 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):

* istio-proxy: CVE-2019-9901 istio/envoy: Path traversal via URL Patch
manipulation in HTTP/1.x header. (CVE-2019-9900)

* istio-proxy: CVE-2019-9900 istio/envoy: Authorization bypass via null
characters injection in HTTP/1.x (CVE-2019-9901)

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

4. 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

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

1698020 – CVE-2019-9900 istio/envoy: Authorization bypass via null characters injection in HTTP/1.x
1698025 – CVE-2019-9901 istio/envoy: Path traversal via URL Patch manipulation in HTTP/1.x header

6. Package List:

Red Hat OpenShift Service Mesh 0 Tech Preview:

Source:
servicemesh-proxy-0.9.1-1.el7.src.rpm

x86_64:
servicemesh-proxy-0.9.1-1.el7.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-2019-9900
https://access.redhat.com/security/cve/CVE-2019-9901
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 2019 Red Hat, Inc.
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