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Red Hat Security Advisory 2018-3681-01

Red Hat Security Advisory 2018-3681-01
Posted Nov 27, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3681-01 - nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service, protocol
systems | linux, redhat
advisories | CVE-2018-16843, CVE-2018-16844, CVE-2018-16845
MD5 | 263002306102967706f7eaedc82cf0aa

Red Hat Security Advisory 2018-3681-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Important: rh-nginx114-nginx security update
Advisory ID: RHSA-2018:3681-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3681
Issue date: 2018-11-27
CVE Names: CVE-2018-16843 CVE-2018-16844 CVE-2018-16845
====================================================================
1. Summary:

An update for rh-nginx114-nginx 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. 7) - aarch64, ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) - ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) - ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

nginx is a web and proxy server supporting HTTP and other protocols, with a
focus on high concurrency, performance, and low memory usage.

The following packages have been upgraded to a later upstream version:
rh-nginx114-nginx (1.14.1). (BZ#1648365)

Security Fix(es):

* nginx: Denial of service and memory disclosure via mp4 module
(CVE-2018-16845)

* nginx: Excessive memory consumption via flaw in HTTP/2 implementation
(CVE-2018-16843)

* nginx: Excessive CPU usage via flaw in HTTP/2 implementation
(CVE-2018-16844)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank the Nginx project for reporting these issues.

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

The rh-nginx114-nginx service must be restarted for this update to take
effect.

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

1644508 - CVE-2018-16845 nginx: Denial of service and memory disclosure via mp4 module
1644510 - CVE-2018-16844 nginx: Excessive CPU usage via flaw in HTTP/2 implementation
1644511 - CVE-2018-16843 nginx: Excessive memory consumption via flaw in HTTP/2 implementation

6. Package List:

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

Source:
rh-nginx114-nginx-1.14.1-1.el7.src.rpm

aarch64:
rh-nginx114-nginx-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.aarch64.rpm

ppc64le:
rh-nginx114-nginx-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.ppc64le.rpm

s390x:
rh-nginx114-nginx-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.s390x.rpm

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

Source:
rh-nginx114-nginx-1.14.1-1.el7.src.rpm

aarch64:
rh-nginx114-nginx-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.aarch64.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.aarch64.rpm

ppc64le:
rh-nginx114-nginx-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.ppc64le.rpm

s390x:
rh-nginx114-nginx-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.s390x.rpm

x86_64:
rh-nginx114-nginx-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4):

Source:
rh-nginx114-nginx-1.14.1-1.el7.src.rpm

ppc64le:
rh-nginx114-nginx-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.ppc64le.rpm

s390x:
rh-nginx114-nginx-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.s390x.rpm

x86_64:
rh-nginx114-nginx-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5):

Source:
rh-nginx114-nginx-1.14.1-1.el7.src.rpm

ppc64le:
rh-nginx114-nginx-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.ppc64le.rpm

s390x:
rh-nginx114-nginx-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.s390x.rpm

x86_64:
rh-nginx114-nginx-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6):

Source:
rh-nginx114-nginx-1.14.1-1.el7.src.rpm

ppc64le:
rh-nginx114-nginx-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.ppc64le.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.ppc64le.rpm

s390x:
rh-nginx114-nginx-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.s390x.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.s390x.rpm

x86_64:
rh-nginx114-nginx-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.x86_64.rpm

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

Source:
rh-nginx114-nginx-1.14.1-1.el7.src.rpm

x86_64:
rh-nginx114-nginx-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-debuginfo-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-image-filter-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-perl-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-http-xslt-filter-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-mail-1.14.1-1.el7.x86_64.rpm
rh-nginx114-nginx-mod-stream-1.14.1-1.el7.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-2018-16843
https://access.redhat.com/security/cve/CVE-2018-16844
https://access.redhat.com/security/cve/CVE-2018-16845
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 2018 Red Hat, Inc.
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