Sigurnosni nedostaci programskih paketa httpd24-httpd i httpd24-nghttp2

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Red Hat Security Advisory

Synopsis: Important: httpd24-httpd and httpd24-nghttp2 security update
Advisory ID: RHSA-2019:2949-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2949
Issue date: 2019-10-01
CVE Names: CVE-2019-9511 CVE-2019-9513 CVE-2019-9517
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1. Summary:

An update for httpd24-httpd and httpd24-nghttp2 is now available for Red
Hat Software Collections.

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 Software Collections for Red Hat Enterprise Linux Server (v. 6) – noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) – aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) – noarch, ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) – noarch, ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) – noarch, ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) – noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) – noarch, x86_64

3. Description:

The httpd packages provide the Apache HTTP Server, a powerful, efficient,
and extensible web server.

Security Fix(es):

* HTTP/2: large amount of data requests leads to denial of service
(CVE-2019-9511)

* HTTP/2: flood using PRIORITY frames resulting in excessive resource
consumption (CVE-2019-9513)

* HTTP/2: request for large response leads to denial of service
(CVE-2019-9517)

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

After installing the updated packages, the httpd daemon will be restarted
automatically.

5. Bugs fixed (https://bugzilla.redhat.com/):

1735741 – CVE-2019-9513 HTTP/2: flood using PRIORITY frames results in excessive resource consumption
1741860 – CVE-2019-9511 HTTP/2: large amount of data requests leads to denial of service
1741868 – CVE-2019-9517 HTTP/2: request for large response leads to denial of service

6. Package List:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6):

Source:
httpd24-httpd-2.4.34-8.el6.1.src.rpm
httpd24-nghttp2-1.7.1-7.el6.1.src.rpm

noarch:
httpd24-httpd-manual-2.4.34-8.el6.1.noarch.rpm

x86_64:
httpd24-httpd-2.4.34-8.el6.1.x86_64.rpm
httpd24-httpd-debuginfo-2.4.34-8.el6.1.x86_64.rpm
httpd24-httpd-devel-2.4.34-8.el6.1.x86_64.rpm
httpd24-httpd-tools-2.4.34-8.el6.1.x86_64.rpm
httpd24-libnghttp2-1.7.1-7.el6.1.x86_64.rpm
httpd24-libnghttp2-devel-1.7.1-7.el6.1.x86_64.rpm
httpd24-mod_ldap-2.4.34-8.el6.1.x86_64.rpm
httpd24-mod_proxy_html-2.4.34-8.el6.1.x86_64.rpm
httpd24-mod_session-2.4.34-8.el6.1.x86_64.rpm
httpd24-mod_ssl-2.4.34-8.el6.1.x86_64.rpm
httpd24-nghttp2-1.7.1-7.el6.1.x86_64.rpm
httpd24-nghttp2-debuginfo-1.7.1-7.el6.1.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6):

Source:
httpd24-httpd-2.4.34-8.el6.1.src.rpm
httpd24-nghttp2-1.7.1-7.el6.1.src.rpm

noarch:
httpd24-httpd-manual-2.4.34-8.el6.1.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):

Source:
httpd24-httpd-2.4.34-8.el7.1.src.rpm
httpd24-nghttp2-1.7.1-7.el7.1.src.rpm

aarch64:
httpd24-httpd-2.4.34-8.el7.1.aarch64.rpm
httpd24-httpd-debuginfo-2.4.34-8.el7.1.aarch64.rpm
httpd24-httpd-devel-2.4.34-8.el7.1.aarch64.rpm
httpd24-httpd-tools-2.4.34-8.el7.1.aarch64.rpm
httpd24-libnghttp2-1.7.1-7.el7.1.aarch64.rpm
httpd24-libnghttp2-devel-1.7.1-7.el7.1.aarch64.rpm
httpd24-mod_ldap-2.4.34-8.el7.1.aarch64.rpm
httpd24-mod_md-2.4.34-8.el7.1.aarch64.rpm
httpd24-mod_proxy_html-2.4.34-8.el7.1.aarch64.rpm
httpd24-mod_session-2.4.34-8.el7.1.aarch64.rpm
httpd24-mod_ssl-2.4.34-8.el7.1.aarch64.rpm
httpd24-nghttp2-1.7.1-7.el7.1.aarch64.rpm
httpd24-nghttp2-debuginfo-1.7.1-7.el7.1.aarch64.rpm