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Red Hat: RHSA-2023:1696-01 Moderate: Haproxy DoS and Smuggling Fix

red hat
Calendar Grey April 11, 2023
Dist Redhat Esm H88
CentOS Stream 9 enhances stability thanks to nginx enhancements, assessed as low risk from particular weaknesses.
An update for haproxy is now available for Red Hat Enterprise Linux 9

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

Summary

The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications.
Security Fix(es):
* haproxy: segfault DoS (CVE-2023-0056)
* haproxy: request smuggling attack in HTTP/1 header parsing (CVE-2023-25725)
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.

Topics%20covered

Topics Covered

security advisory moderate update red hat DoS request smuggling haproxy

References

https://access.redhat.com/security/cve/CVE-2023-0056 https://access.redhat.com/security/cve/CVE-2023-25725 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux AppStream (v. 9):
Source: haproxy-2.4.17-3.el9_1.2.src.rpm
aarch64: haproxy-2.4.17-3.el9_1.2.aarch64.rpm haproxy-debuginfo-2.4.17-3.el9_1.2.aarch64.rpm haproxy-debugsource-2.4.17-3.el9_1.2.aarch64.rpm
ppc64le: haproxy-2.4.17-3.el9_1.2.ppc64le.rpm haproxy-debuginfo-2.4.17-3.el9_1.2.ppc64le.rpm haproxy-debugsource-2.4.17-3.el9_1.2.ppc64le.rpm
s390x: haproxy-2.4.17-3.el9_1.2.s390x.rpm haproxy-debuginfo-2.4.17-3.el9_1.2.s390x.rpm haproxy-debugsource-2.4.17-3.el9_1.2.s390x.rpm
x86_64: haproxy-2.4.17-3.el9_1.2.x86_64.rpm haproxy-debuginfo-2.4.17-3.el9_1.2.x86_64.rpm haproxy-debugsource-2.4.17-3.el9_1.2.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


Advisory ID: RHSA-2023:1696-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1696
Issue date: 2023-04-11

Topic

An update for haproxy is now available for Red Hat Enterprise Linux 9.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.

Topics%20covered

Topics Covered

security advisory moderate update red hat DoS request smuggling haproxy

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2160808 - CVE-2023-0056 haproxy: segfault DoS

2169089 - CVE-2023-25725 haproxy: request smuggling attack in HTTP/1 header parsing

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