ESB-2018.1479 - [Linux][RedHat] HAProxy: Denial of service - Remote/unauthenticated 2018-05-16

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

                               ESB-2018.1479
              Important: rh-haproxy18-haproxy security update
                                16 May 2018

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

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

Product:           HAProxy
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 7
                   Linux variants
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-10184  

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2018:1372

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Red Hat. It is recommended that administrators
         running rh-haproxy18-haproxy check for an updated version of the 
         software for their operating system.

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

Synopsis:          Important: rh-haproxy18-haproxy security update
Advisory ID:       RHSA-2018:1372-01
Product:           Red Hat Software Collections
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1372
Issue date:        2018-05-14
CVE Names:         CVE-2018-10184 
=====================================================================

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. 7.3) - 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 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: Heap buffer overflow in mux_h2.c:h2_process_demux() can allow
attackers to cause a denial of service (CVE-2018-10184)

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/):

1569297 - CVE-2018-10184 haproxy: Heap buffer overflow in mux_h2.c:h2_process_demux() can allow attackers to cause a denial of service

6. Package List:

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

Source:
rh-haproxy18-haproxy-1.8.4-2.el7.src.rpm

x86_64:
rh-haproxy18-haproxy-1.8.4-2.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.4-2.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.4-2.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3):

Source:
rh-haproxy18-haproxy-1.8.4-2.el7.src.rpm

x86_64:
rh-haproxy18-haproxy-1.8.4-2.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.4-2.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.4-2.el7.x86_64.rpm

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

Source:
rh-haproxy18-haproxy-1.8.4-2.el7.src.rpm

x86_64:
rh-haproxy18-haproxy-1.8.4-2.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.4-2.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.4-2.el7.x86_64.rpm

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

Source:
rh-haproxy18-haproxy-1.8.4-2.el7.src.rpm

x86_64:
rh-haproxy18-haproxy-1.8.4-2.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.4-2.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.4-2.el7.x86_64.rpm

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

Source:
rh-haproxy18-haproxy-1.8.4-2.el7.src.rpm

x86_64:
rh-haproxy18-haproxy-1.8.4-2.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.4-2.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.4-2.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-2018-10184
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 2018 Red Hat, Inc.
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