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Red Hat Security Advisory

Synopsis: Important: nghttp2 security update
Advisory ID: RHSA-2019:2692-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2692
Issue date: 2019-09-09
CVE Names: CVE-2019-9511 CVE-2019-9513
=====================================================================

1. Summary:

An update for nghttp2 is now available for Red Hat Enterprise Linux 8.

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 CodeReady Linux Builder (v. 8) – aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) – aarch64, ppc64le, s390x, x86_64

3. Description:

libnghttp2 is a library implementing the Hypertext Transfer Protocol
version 2 (HTTP/2) protocol in C.

Security Fix(es):

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

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

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/):

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

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
nghttp2-1.33.0-1.el8_0.1.src.rpm

aarch64:
libnghttp2-1.33.0-1.el8_0.1.aarch64.rpm
libnghttp2-debuginfo-1.33.0-1.el8_0.1.aarch64.rpm
nghttp2-debuginfo-1.33.0-1.el8_0.1.aarch64.rpm
nghttp2-debugsource-1.33.0-1.el8_0.1.aarch64.rpm

ppc64le:
libnghttp2-1.33.0-1.el8_0.1.ppc64le.rpm
libnghttp2-debuginfo-1.33.0-1.el8_0.1.ppc64le.rpm
nghttp2-debuginfo-1.33.0-1.el8_0.1.ppc64le.rpm
nghttp2-debugsource-1.33.0-1.el8_0.1.ppc64le.rpm

s390x:
libnghttp2-1.33.0-1.el8_0.1.s390x.rpm
libnghttp2-debuginfo-1.33.0-1.el8_0.1.s390x.rpm
nghttp2-debuginfo-1.33.0-1.el8_0.1.s390x.rpm
nghttp2-debugsource-1.33.0-1.el8_0.1.s390x.rpm

x86_64:
libnghttp2-1.33.0-1.el8_0.1.i686.rpm
libnghttp2-1.33.0-1.el8_0.1.x86_64.rpm
libnghttp2-debuginfo-1.33.0-1.el8_0.1.i686.rpm
libnghttp2-debuginfo-1.33.0-1.el8_0.1.x86_64.rpm
nghttp2-debuginfo-1.33.0-1.el8_0.1.i686.rpm
nghttp2-debuginfo-1.33.0-1.el8_0.1.x86_64.rpm
nghttp2-debugsource-1.33.0-1.el8_0.1.i686.rpm
nghttp2-debugsource-1.33.0-1.el8_0.1.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
libnghttp2-debuginfo-1.33.0-1.el8_0.1.aarch64.rpm
libnghttp2-devel-1.33.0-1.el8_0.1.aarch64.rpm
nghttp2-1.33.0-1.el8_0.1.aarch64.rpm
nghttp2-debuginfo-1.33.0-1.el8_0.1.aarch64.rpm
nghttp2-debugsource-1.33.0-1.el8_0.1.aarch64.rpm

ppc64le:
libnghttp2-debuginfo-1.33.0-1.el8_0.1.ppc64le.rpm
libnghttp2-devel-1.33.0-1.el8_0.1.ppc64le.rpm
nghttp2-1.33.0-1.el8_0.1.ppc64le.rpm
nghttp2-debuginfo-1.33.0-1.el8_0.1.ppc64le.rpm
nghttp2-debugsource-1.33.0-1.el8_0.1.ppc64le.rpm

s390x:
libnghttp2-debuginfo-1.33.0-1.el8_0.1.s390x.rpm
libnghttp2-devel-1.33.0-1.el8_0.1.s390x.rpm
nghttp2-1.33.0-1.el8_0.1.s390x.rpm
nghttp2-debuginfo-1.33.0-1.el8_0.1.s390x.rpm
nghttp2-debugsource-1.33.0-1.el8_0.1.s390x.rpm

x86_64:
libnghttp2-debuginfo-1.33.0-1.el8_0.1.i686.rpm
libnghttp2-debuginfo-1.33.0-1.el8_0.1.x86_64.rpm
libnghttp2-devel-1.33.0-1.el8_0.1.i686.rpm
libnghttp2-devel-1.33.0-1.el8_0.1.x86_64.rpm
nghttp2-1.33.0-1.el8_0.1.x86_64.rpm
nghttp2-debuginfo-1.33.0-1.el8_0.1.i686.rpm
nghttp2-debuginfo-1.33.0-1.el8_0.1.x86_64.rpm
nghttp2-debugsource-1.33.0-1.el8_0.1.i686.rpm
nghttp2-debugsource-1.33.0-1.el8_0.1.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-2019-9511
https://access.redhat.com/security/cve/CVE-2019-9513
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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