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AUSCERT External Security Bulletin Redistribution
ESB-2019.1234
Important: Istio-Proxy Security Update
11 April 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Istio-Proxy
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Linux variants
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Unauthorised Access -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-9901 CVE-2019-9900
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:0741
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running Istio-Proxy check for an updated version of the software for
their operating system.
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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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