Red Hat Security Advisory 2023-1696-01 - The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Issues addressed include a denial of service vulnerability.
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Red Hat Security Advisory
Synopsis: Moderate: haproxy security update
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
CVE Names: CVE-2023-0056 CVE-2023-25725
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1. Summary:
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 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 Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64
3. Description:
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.
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/):
2160808 - CVE-2023-0056 haproxy: segfault DoS
2169089 - CVE-2023-25725 haproxy: request smuggling attack in HTTP/1 header parsing
6. 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/
7. 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
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
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