Home / mailings [RHSA-2019:1436-01] Moderate: rh-haproxy18-haproxy security, bug fix, and enhancement update
Posted on 11 June 2019
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Moderate: rh-haproxy18-haproxy security, bug fix, and enhancement update
Advisory ID: RHSA-2019:1436-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1436
Issue date: 2019-06-11
CVE Names: CVE-2018-11469 CVE-2018-20102 CVE-2018-20103
=====================================================================
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. 7.4) - 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.
The following packages have been upgraded to a later upstream version:
rh-haproxy18-haproxy (1.8.17). (BZ#1660514)
Security Fix(es):
* haproxy: Infinite recursion via crafted packet allows stack exhaustion
and denial of service (CVE-2018-20103)
* haproxy: Information disclosure in check_request_for_cacheability
function in proto_http.c (CVE-2018-11469)
* haproxy: Out-of-bounds read in dns.c:dns_validate_dns_response() allows
for memory disclosure (CVE-2018-20102)
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.
Bug Fix(es):
* ALPN is not enabled due to old OpenSSL dependancy (BZ#1595865)
* HAProxy 1.8: Seamless reload does not work with send-/accept-proxy
(BZ#1649041)
Enhancement(s):
* RFE : Haproxy does not resolve ipv6 resolvable hostnames in the backend
section. (BZ#1575585)
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Software Collections 3.3 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/):
1575585 - RFE : Haproxy does not resolve ipv6 resolvable hostnames in the backend section.
1582635 - CVE-2018-11469 haproxy: Information disclosure in check_request_for_cacheability function in proto_http.c
1595865 - ALPN is not enabled due to old OpenSSL dependancy
1649041 - HAProxy 1.8: Seamless reload does not work with send-/accept-proxy
1658874 - CVE-2018-20102 haproxy: Out-of-bounds read in dns.c:dns_validate_dns_response() allows for memory disclosure
1658876 - CVE-2018-20103 haproxy: Infinite recursion via crafted packet allows stack exhaustion and denial of service
6. Package List:
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source:
rh-haproxy18-haproxy-1.8.17-1.el7.src.rpm
x86_64:
rh-haproxy18-haproxy-1.8.17-1.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.17-1.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.17-1.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4):
Source:
rh-haproxy18-haproxy-1.8.17-1.el7.src.rpm
x86_64:
rh-haproxy18-haproxy-1.8.17-1.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.17-1.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.17-1.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5):
Source:
rh-haproxy18-haproxy-1.8.17-1.el7.src.rpm
x86_64:
rh-haproxy18-haproxy-1.8.17-1.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.17-1.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.17-1.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6):
Source:
rh-haproxy18-haproxy-1.8.17-1.el7.src.rpm
x86_64:
rh-haproxy18-haproxy-1.8.17-1.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.17-1.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.17-1.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):
Source:
rh-haproxy18-haproxy-1.8.17-1.el7.src.rpm
x86_64:
rh-haproxy18-haproxy-1.8.17-1.el7.x86_64.rpm
rh-haproxy18-haproxy-debuginfo-1.8.17-1.el7.x86_64.rpm
rh-haproxy18-haproxy-syspaths-1.8.17-1.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-2018-11469
https://access.redhat.com/security/cve/CVE-2018-20102
https://access.redhat.com/security/cve/CVE-2018-20103
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_software_collections/3/html-single/3.3_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 2019 Red Hat, Inc.
