RedHat: RHSA-2020-1725:01 Moderate: haproxy security, bug fix,
Summary
The haproxy packages provide a reliable, high-performance network load
balancer for TCP and HTTP-based applications.
The following packages have been upgraded to a later upstream version:
haproxy (1.8.23). (BZ#1774745)
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
Enterprise Linux 8.2 Release Notes linked from the References section.
Summary
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
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_enterprise_linux/8/html/8.2_release_notes/index
Package List
Red Hat Enterprise Linux AppStream (v. 8):
Source:
haproxy-1.8.23-3.el8.src.rpm
aarch64:
haproxy-1.8.23-3.el8.aarch64.rpm
haproxy-debuginfo-1.8.23-3.el8.aarch64.rpm
haproxy-debugsource-1.8.23-3.el8.aarch64.rpm
ppc64le:
haproxy-1.8.23-3.el8.ppc64le.rpm
haproxy-debuginfo-1.8.23-3.el8.ppc64le.rpm
haproxy-debugsource-1.8.23-3.el8.ppc64le.rpm
s390x:
haproxy-1.8.23-3.el8.s390x.rpm
haproxy-debuginfo-1.8.23-3.el8.s390x.rpm
haproxy-debugsource-1.8.23-3.el8.s390x.rpm
x86_64:
haproxy-1.8.23-3.el8.x86_64.rpm
haproxy-debuginfo-1.8.23-3.el8.x86_64.rpm
haproxy-debugsource-1.8.23-3.el8.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/
Topic
An update for haproxy is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Bugs Fixed
1759697 - CVE-2019-18277 haproxy: HTTP request smuggling issue with transfer-encoding header containing an obfuscated "chunked" value
1774745 - Rebase haproxy to latest upstream for RHEL 8.2
1777584 - CVE-2019-19330 haproxy: HTTP/2 implementation vulnerable to intermediary encapsulation attacks
1778844 - haproxy status failed after stopping the service
