Operating System:

[RedHat]

Published:

06 February 2019

Protect yourself against future threats.

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0328
              Important: rh-haproxy18-haproxy security update
                              6 February 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           rh-haproxy18-haproxy
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 7
                   Red Hat Enterprise Linux WS/Desktop 7
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-20615  

Reference:         ESB-2019.0141

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2019:0275

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

Synopsis:          Important: rh-haproxy18-haproxy security update
Advisory ID:       RHSA-2019:0275-01
Product:           Red Hat Software Collections
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:0275
Issue date:        2019-02-05
CVE Names:         CVE-2018-20615 
=====================================================================

1. Summary:

An update for rh-haproxy18-haproxy is now available for Red Hat Software
Collections.

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 Software Collections for Red Hat Enterprise Linux Server (v. 7) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high
availability environments.

Security Fix(es):

* haproxy: Mishandling of priority flag in short HEADERS frame by HTTP/2
decoder allows for crash (CVE-2018-20615)

For more details about the security issue(s), including the impact, a CVSS
score, 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/):

1663060 - CVE-2018-20615 haproxy: Mishandling of priority flag in short HEADERS frame by HTTP/2 decoder allows for crash

6. Package List:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):

Source:
rh-haproxy18-haproxy-1.8.4-4.el7.src.rpm

x86_64:
rh-haproxy18-haproxy-1.8.4-4.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.4-4.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.4-4.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4):

Source:
rh-haproxy18-haproxy-1.8.4-4.el7.src.rpm

x86_64:
rh-haproxy18-haproxy-1.8.4-4.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.4-4.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.4-4.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5):

Source:
rh-haproxy18-haproxy-1.8.4-4.el7.src.rpm

x86_64:
rh-haproxy18-haproxy-1.8.4-4.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.4-4.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.4-4.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6):

Source:
rh-haproxy18-haproxy-1.8.4-4.el7.src.rpm

x86_64:
rh-haproxy18-haproxy-1.8.4-4.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.4-4.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.4-4.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):

Source:
rh-haproxy18-haproxy-1.8.4-4.el7.src.rpm

x86_64:
rh-haproxy18-haproxy-1.8.4-4.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.4-4.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.4-4.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-2018-20615
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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