Sigurnosni nedostatak programskog paketa httpd24

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Red Hat Security Advisory

Synopsis: Moderate: httpd24 security, bug fix, and enhancement update
Advisory ID: RHSA-2017:3018-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2017:3018
Issue date: 2017-10-24
CVE Names: CVE-2017-9798
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1. Summary:

An update for httpd24, httpd24-curl, httpd24-httpd, httpd24-mod_auth_kerb,
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 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 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. 6.7) – noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) – aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) – aarch64, 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 Apache HTTP Server is a powerful, efficient, and extensible web server.
The httpd24 packages provide a recent stable release of version 2.4 of the
Apache HTTP Server, along with the mod_auth_kerb module.

The following packages have been upgraded to a later upstream version:
httpd24-httpd (2.4.27). (BZ#1461819)

Security Fix(es):

* A use-after-free flaw was found in the way httpd handled invalid and
previously unregistered HTTP methods specified in the Limit directive used
in an .htaccess file. A remote attacker could possibly use this flaw to
disclose portions of the server memory, or cause httpd child process to
crash. (CVE-2017-9798)

Red Hat would like to thank Hanno Böck for reporting this issue.

Bug Fix(es):

* The httpd package installation script tried to create both the “apache”
user and group in a single “useradd” command. Consequently, when the
“apache” group had already been created on the system, the command failed,
and the “apache” user was not created. To fix this bug, the “apache” group
is now created by a separate command, and the “apache” user is correctly
created during httpd installation even when the “apache” group exists.
(BZ#1486843)

* When installing the httpd24 Software Collection using the “yum” command,
if the “apache” group already existed on the system with GID other than 48,
the “apache” user was not created. This update fixes the bug. (BZ#1487164)

* With this update, it is possible to run the mod_rewrite external mapping
program as a non-root user. (BZ#1486832)

* On a Red Hat Enterprise Linux 6 system, when the httpd service was
stopped twice in a row by running the “service httpd stop” command, a
misleading message was returned: “Stopping httpd: [FAILED]”. This bug has
been fixed. (BZ#1418395)

* When the “service httpd24-httpd graceful” command was used on Red Hat
Enterprise Linux 7 while the httpd24-httpd service was not running, the
daemon was started without being tracked by systemd. As a consequence, the
daemon ran in an incorrect SELinux domain. This bug has been fixed, and the
httpd daemon runs in the correct SELinux domain in the described scenario.
(BZ#1440858)

Enhancement(s):

* With this update, the mod_ssl module supports the ALPN protocol on Red
Hat Enterprise Linux 7.4 and later versions. (BZ#1327548)

For further details, see the Red Hat Software Collections 3.0 Release Notes
linked from 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/):

1327548 – RFE: enable ALPN support in mod_ssl
1418395 – httpd stop prints failure if service already stopped
1428940 – mod_proxy_fcgi (more) wrong behavior with 304
1440858 – graceful start of stopped service fail
1457316 – [RFE] please consider using scl_package_override
1480506 – mod_authz_dbd segfaults when AuthzDBDQuery missing
1486843 – apache user is not created during httpd installation when apache group already exist
1487164 – apache user is not created during httpd installation when apache group already exist with GID other than 48
1488541 – rotatelogs %Z does not use correct timezone respecting DST
1490344 – CVE-2017-9798 httpd: Use-after-free by limiting unregistered HTTP method (Optionsbleed)

6. Package List:

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

Source:
httpd24-1.1-18.el6.src.rpm
httpd24-httpd-2.4.27-8.el6.src.rpm

noarch:
httpd24-httpd-manual-2.4.27-8.el6.noarch.rpm

x86_64:
httpd24-1.1-18.el6.x86_64.rpm
httpd24-httpd-2.4.27-8.el6.x86_64.rpm
httpd24-httpd-debuginfo-2.4.27-8.el6.x86_64.rpm
httpd24-httpd-devel-2.4.27-8.el6.x86_64.rpm
httpd24-httpd-tools-2.4.27-8.el6.x86_64.rpm
httpd24-mod_ldap-2.4.27-8.el6.x86_64.rpm
httpd24-mod_proxy_html-2.4.27-8.el6.x86_64.rpm
httpd24-mod_session-2.4.27-8.el6.x86_64.rpm
httpd24-mod_ssl-2.4.27-8.el6.x86_64.rpm
httpd24-runtime-1.1-18.el6.x86_64.rpm
httpd24-scldevel-1.1-18.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7):

Source:
httpd24-1.1-18.el6.src.rpm
httpd24-httpd-2.4.27-8.el6.src.rpm

noarch:
httpd24-httpd-manual-2.4.27-8.el6.noarch.rpm

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

Source:
httpd24-1.1-18.el6.src.rpm
httpd24-httpd-2.4.27-8.el6.src.rpm

noarch:
httpd24-httpd-manual-2.4.27-8.el6.noarch.rpm

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

Source:
httpd24-1.1-18.el7.src.rpm
httpd24-curl-7.47.1-4.el7.src.rpm
httpd24-httpd-2.4.27-8.el7.src.rpm
httpd24-mod_auth_kerb-5.4-33.el7.src.rpm
httpd24-nghttp2-1.7.1-6.el7.src.rpm

aarch64:
httpd24-1.1-18.el7.aarch64.rpm
httpd24-curl-7.47.1-4.el7.aarch64.rpm
httpd24-curl-debuginfo-7.47.1-4.el7.aarch64.rpm
httpd24-httpd-2.4.27-8.el7.aarch64.rpm
httpd24-httpd-debuginfo-2.4.27-8.el7.aarch64.rpm
httpd24-httpd-devel-2.4.27-8.el7.aarch64.rpm
httpd24-httpd-tools-2.4.27-8.el7.aarch64.rpm
httpd24-libcurl-7.47.1-4.el7.aarch64.rpm
httpd24-libcurl-devel-7.47.1-4.el7.aarch64.rpm
httpd24-libnghttp2-1.7.1-6.el7.aarch64.rpm
httpd24-libnghttp2-devel-1.7.1-6.el7.aarch64.rpm
httpd24-mod_auth_kerb-5.4-33.el7.aarch64.rpm
httpd24-mod_auth_kerb-debuginfo-5.4-33.el7.aarch64.rpm
httpd24-mod_ldap-2.4.27-8.el7.aarch64.rpm
httpd24-mod_proxy_html-2.4.27-8.el7.aarch64.rpm
httpd24-mod_session-2.4.27-8.el7.aarch64.rpm
httpd24-mod_ssl-2.4.27-8.el7.aarch64.rpm
httpd24-nghttp2-1.7.1-6.el7.aarch64.rpm
httpd24-nghttp2-debuginfo-1.7.1-6.el7.aarch64.rpm
httpd24-runtime-1.1-18.el7.aarch64.rpm
httpd24-scldevel-1.1-18.el7.aarch64.rpm

noarch:
httpd24-httpd-manual-2.4.27-8.el7.noarch.rpm

ppc64le:
httpd24-1.1-18.el7.ppc64le.rpm
httpd24-curl-7.47.1-4.el7.ppc64le.rpm
httpd24-curl-debuginfo-7.47.1-4.el7.ppc64le.rpm
httpd24-httpd-2.4.27-8.el7.ppc64le.rpm
httpd24-httpd-debuginfo-2.4.27-8.el7.ppc64le.rpm
httpd24-httpd-devel-2.4.27-8.el7.ppc64le.rpm
httpd24-httpd-tools-2.4.27-8.el7.ppc64le.rpm
httpd24-libcurl-7.47.1-4.el7.ppc64le.rpm
httpd24-libcurl-devel-7.47.1-4.el7.ppc64le.rpm
httpd24-libnghttp2-1.7.1-6.el7.ppc64le.rpm
httpd24-libnghttp2-devel-1.7.1-6.el7.ppc64le.rpm
httpd24-mod_auth_kerb-5.4-33.el7.ppc64le.rpm
httpd24-mod_auth_kerb-debuginfo-5.4-33.el7.ppc64le.rpm
httpd24-mod_ldap-2.4.27-8.el7.ppc64le.rpm
httpd24-mod_proxy_html-2.4.27-8.el7.ppc64le.rpm
httpd24-mod_session-2.4.27-8.el7.ppc64le.rpm
httpd24-mod_ssl-2.4.27-8.el7.ppc64le.rpm
httpd24-nghttp2-1.7.1-6.el7.ppc64le.rpm
httpd24-nghttp2-debuginfo-1.7.1-6.el7.ppc64le.rpm
httpd24-runtime-1.1-18.el7.ppc64le.rpm
httpd24-scldevel-1.1-18.el7.ppc64le.rpm

s390x:
httpd24-1.1-18.el7.s390x.rpm
httpd24-curl-7.47.1-4.el7.s390x.rpm
httpd24-curl-debuginfo-7.47.1-4.el7.s390x.rpm
httpd24-httpd-2.4.27-8.el7.s390x.rpm
httpd24-httpd-debuginfo-2.4.27-8.el7.s390x.rpm
httpd24-httpd-devel-2.4.27-8.el7.s390x.rpm
httpd24-httpd-tools-2.4.27-8.el7.s390x.rpm
httpd24-libcurl-7.47.1-4.el7.s390x.rpm
httpd24-libcurl-devel-7.47.1-4.el7.s390x.rpm
httpd24-libnghttp2-1.7.1-6.el7.s390x.rpm
httpd24-libnghttp2-devel-1.7.1-6.el7.s390x.rpm
httpd24-mod_auth_kerb-5.4-33.el7.s390x.rpm
httpd24-mod_auth_kerb-debuginfo-5.4-33.el7.s390x.rpm
httpd24-mod_ldap-2.4.27-8.el7.s390x.rpm
httpd24-mod_proxy_html-2.4.27-8.el7.s390x.rpm
httpd24-mod_session-2.4.27-8.el7.s390x.rpm
httpd24-mod_ssl-2.4.27-8.el7.s390x.rpm
httpd24-nghttp2-1.7.1-6.el7.s390x.rpm
httpd24-nghttp2-debuginfo-1.7.1-6.el7.s390x.rpm
httpd24-runtime-1.1-18.el7.s390x.rpm
httpd24-scldevel-1.1-18.el7.s390x.rpm

x86_64:
httpd24-1.1-18.el7.x86_64.rpm
httpd24-curl-7.47.1-4.el7.x86_64.rpm
httpd24-curl-debuginfo-7.47.1-4.el7.x86_64.rpm
httpd24-httpd-2.4.27-8.el7.x86_64.rpm
httpd24-httpd-debuginfo-2.4.27-8.el7.x86_64.rpm
httpd24-httpd-devel-2.4.27-8.el7.x86_64.rpm
httpd24-httpd-tools-2.4.27-8.el7.x86_64.rpm
httpd24-libcurl-7.47.1-4.el7.x86_64.rpm
httpd24-libcurl-devel-7.47.1-4.el7.x86_64.rpm
httpd24-libnghttp2-1.7.1-6.el7.x86_64.rpm
httpd24-libnghttp2-devel-1.7.1-6.el7.x86_64.rpm
httpd24-mod_auth_kerb-5.4-33.el7.x86_64.rpm
httpd24-mod_auth_kerb-debuginfo-5.4-33.el7.x86_64.rpm
httpd24-mod_ldap-2.4.27-8.el7.x86_64.rpm
httpd24-mod_proxy_html-2.4.27-8.el7.x86_64.rpm
httpd24-mod_session-2.4.27-8.el7.x86_64.rpm
httpd24-mod_ssl-2.4.27-8.el7.x86_64.rpm
httpd24-nghttp2-1.7.1-6.el7.x86_64.rpm
httpd24-nghttp2-debuginfo-1.7.1-6.el7.x86_64.rpm
httpd24-runtime-1.1-18.el7.x86_64.rpm
httpd24-scldevel-1.1-18.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3):

Source:
httpd24-1.1-18.el7.src.rpm
httpd24-curl-7.47.1-4.el7.src.rpm
httpd24-httpd-2.4.27-8.el7.src.rpm
httpd24-mod_auth_kerb-5.4-33.el7.src.rpm
httpd24-nghttp2-1.7.1-6.el7.src.rpm

noarch:
httpd24-httpd-manual-2.4.27-8.el7.noarch.rpm

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

Source:
httpd24-1.1-18.el7.src.rpm
httpd24-curl-7.47.1-4.el7.src.rpm
httpd24-httpd-2.4.27-8.el7.src.rpm
httpd24-mod_auth_kerb-5.4-33.el7.src.rpm
httpd24-nghttp2-1.7.1-6.el7.src.rpm

noarch:
httpd24-httpd-manual-2.4.27-8.el7.noarch.rpm

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

Source:
httpd24-1.1-18.el7.src.rpm
httpd24-curl-7.47.1-4.el7.src.rpm
httpd24-httpd-2.4.27-8.el7.src.rpm
httpd24-mod_auth_kerb-5.4-33.el7.src.rpm
httpd24-nghttp2-1.7.1-6.el7.src.rpm

noarch:
httpd24-httpd-manual-2.4.27-8.el7.noarch.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-2017-9798
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-US/Red_Hat_Software_Collections/3/html/3.0_Release_Notes/chap-RHSCL.html#sect-RHSCL-Changes-httpd

8. Contact:

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

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