===========================================================================
             AUSCERT External Security Bulletin Redistribution             
                                                                           
                               ESB-2024.2394                               
                         mod_http2 security update                         
                               19 April 2024                               
                                                                           
===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           mod_http2                                               
Publisher:         Red Hat                                                 
Operating System:  Red Hat                                                 
Resolution:        Patch/Upgrade                                           
CVE Names:         CVE-2024-27316                                          

Original Bulletin:
   https://access.redhat.com/errata/RHSA-2024:1872

Comment: CVSS (Max):  7.5 CVE-2024-27316 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
         CVSS Source: Red Hat                                              
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H


- --------------------------BEGIN INCLUDED TEXT--------------------

=====================================================================
                Red Hat Security Advisory

Synopsis:          Important: mod_http2 security update
Advisory ID:       RHSA-2024:1872
Product:           Red Hat Enterprise Linux AppStream (v. 9)
Advisory URL:      https://access.redhat.com/errata/RHSA-2024:1872
Issue date:        2024-04-18
CVE Names:         CVE-2024-27316
=====================================================================

1. Summary:

An update for mod_http2 is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of
Important. 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, x86_64, s390x 

3. Description:

The mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of
libnghttp2 for httpd 2.4 servers.

Security Fix(es):

* httpd: CONTINUATION frames DoS (CVE-2024-27316)

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/):

2268277 - CVE-2024-27316 - httpd: CONTINUATION frames DoS 

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9)

aarch64:
mod_http2-0:1.15.19-5.el9_3.1.aarch64.rpm
mod_http2-debuginfo-0:1.15.19-5.el9_3.1.aarch64.rpm
mod_http2-debugsource-0:1.15.19-5.el9_3.1.aarch64.rpm

ppc64le:
mod_http2-0:1.15.19-5.el9_3.1.ppc64le.rpm
mod_http2-debuginfo-0:1.15.19-5.el9_3.1.ppc64le.rpm
mod_http2-debugsource-0:1.15.19-5.el9_3.1.ppc64le.rpm

s390x:
mod_http2-0:1.15.19-5.el9_3.1.s390x.rpm
mod_http2-debuginfo-0:1.15.19-5.el9_3.1.s390x.rpm
mod_http2-debugsource-0:1.15.19-5.el9_3.1.s390x.rpm

Source:
mod_http2-0:1.15.19-5.el9_3.1.src.rpm

x86_64:
mod_http2-0:1.15.19-5.el9_3.1.x86_64.rpm
mod_http2-debuginfo-0:1.15.19-5.el9_3.1.x86_64.rpm
mod_http2-debugsource-0:1.15.19-5.el9_3.1.x86_64.rpm

7. References:

https://access.redhat.com/security/cve/CVE-2024-27316
https://access.redhat.com/security/updates/classification/#important

- --------------------------END INCLUDED TEXT----------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================