5 - RHSA-2019:1436

Problem Description:

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