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AUSCERT External Security Bulletin Redistribution
ESB-2020.1848
rh-haproxy18-haproxy security, bug fix, and enhancement update
27 May 2020
===========================================================================
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: Increased Privileges -- Remote/Unauthenticated
Unauthorised Access -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-19330 CVE-2019-18277
Reference: ESB-2020.1582
ESB-2020.1502
ESB-2020.1237
ESB-2019.4658
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:2265
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Red Hat Security Advisory
Synopsis: Moderate: rh-haproxy18-haproxy security, bug fix, and enhancement update
Advisory ID: RHSA-2020:2265-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2265
Issue date: 2020-05-26
CVE Names: CVE-2019-18277 CVE-2019-19330
=====================================================================
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 Moderate. 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. 7.6) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - 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.
The following packages have been upgraded to a later upstream version:
rh-haproxy18-haproxy (1.8.24). (BZ#1774747)
Security Fix(es):
* haproxy: HTTP request smuggling issue with transfer-encoding header
containing an obfuscated "chunked" value (CVE-2019-18277)
* haproxy: HTTP/2 implementation vulnerable to intermediary encapsulation
attacks (CVE-2019-19330)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Software Collections 3.5 Release Notes linked from 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/):
1759697 - CVE-2019-18277 haproxy: HTTP request smuggling issue with transfer-encoding header containing an obfuscated "chunked" value
1774747 - Rebase rhscl/haproxy to latest upstream for RHSCL 3.5
1777584 - CVE-2019-19330 haproxy: HTTP/2 implementation vulnerable to intermediary encapsulation attacks
6. Package List:
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source:
rh-haproxy18-haproxy-1.8.24-2.el7.src.rpm
x86_64:
rh-haproxy18-haproxy-1.8.24-2.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.24-2.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.24-2.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6):
Source:
rh-haproxy18-haproxy-1.8.24-2.el7.src.rpm
x86_64:
rh-haproxy18-haproxy-1.8.24-2.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.24-2.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.24-2.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7):
Source:
rh-haproxy18-haproxy-1.8.24-2.el7.src.rpm
x86_64:
rh-haproxy18-haproxy-1.8.24-2.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.24-2.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.24-2.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):
Source:
rh-haproxy18-haproxy-1.8.24-2.el7.src.rpm
x86_64:
rh-haproxy18-haproxy-1.8.24-2.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.24-2.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.24-2.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-2019-18277
https://access.redhat.com/security/cve/CVE-2019-19330
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_software_collections/3/html/3.5_release_notes/
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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