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Red Hat Security Advisory 2020-3958-01

Red Hat Security Advisory 2020-3958-01
Posted Sep 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3958-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Issues addressed include bypass, denial of service, open redirection, and out of bounds read vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2017-15715, CVE-2018-1283, CVE-2018-1303, CVE-2019-10098, CVE-2020-1927, CVE-2020-1934
SHA-256 | acaaf3c1a0697f795263f28ad2c966aff94c1206e2573cbce2f29a9e0f3f008a

Red Hat Security Advisory 2020-3958-01

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

Synopsis: Moderate: httpd security, bug fix, and enhancement update
Advisory ID: RHSA-2020:3958-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3958
Issue date: 2020-09-29
CVE Names: CVE-2017-15715 CVE-2018-1283 CVE-2018-1303
CVE-2019-10098 CVE-2020-1927 CVE-2020-1934
====================================================================
1. Summary:

An update for httpd is now available for Red Hat Enterprise Linux 7.

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 Enterprise Linux Client Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

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

Security Fix(es):

* httpd: Improper handling of headers in mod_session can allow a remote
user to modify session data for CGI applications (CVE-2018-1283)

* httpd: Out of bounds read in mod_cache_socache can allow a remote
attacker to cause DoS (CVE-2018-1303)

* httpd: mod_rewrite configurations vulnerable to open redirect
(CVE-2020-1927)

* httpd: <FilesMatch> bypass with a trailing newline in the file name
(CVE-2017-15715)

* httpd: mod_rewrite potential open redirect (CVE-2019-10098)

* httpd: mod_proxy_ftp use of uninitialized value (CVE-2020-1934)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.9 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/):

1560395 - CVE-2018-1283 httpd: Improper handling of headers in mod_session can allow a remote user to modify session data for CGI applications
1560399 - CVE-2018-1303 httpd: Out of bounds read in mod_cache_socache can allow a remote attacker to cause DoS
1560614 - CVE-2017-15715 httpd: <FilesMatch> bypass with a trailing newline in the file name
1715981 - Backport of SessionExpiryUpdateInterval directive
1724879 - httpd terminates all SSL connections using an abortive shutdown
1743959 - CVE-2019-10098 httpd: mod_rewrite potential open redirect
1820761 - CVE-2020-1927 httpd: mod_rewrite configurations vulnerable to open redirect
1820772 - CVE-2020-1934 httpd: mod_proxy_ftp use of uninitialized value

6. Package List:

Red Hat Enterprise Linux Client Optional (v. 7):

Source:
httpd-2.4.6-95.el7.src.rpm

noarch:
httpd-manual-2.4.6-95.el7.noarch.rpm

x86_64:
httpd-2.4.6-95.el7.x86_64.rpm
httpd-debuginfo-2.4.6-95.el7.x86_64.rpm
httpd-devel-2.4.6-95.el7.x86_64.rpm
httpd-tools-2.4.6-95.el7.x86_64.rpm
mod_ldap-2.4.6-95.el7.x86_64.rpm
mod_proxy_html-2.4.6-95.el7.x86_64.rpm
mod_session-2.4.6-95.el7.x86_64.rpm
mod_ssl-2.4.6-95.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
httpd-2.4.6-95.el7.src.rpm

noarch:
httpd-manual-2.4.6-95.el7.noarch.rpm

x86_64:
httpd-2.4.6-95.el7.x86_64.rpm
httpd-debuginfo-2.4.6-95.el7.x86_64.rpm
httpd-devel-2.4.6-95.el7.x86_64.rpm
httpd-tools-2.4.6-95.el7.x86_64.rpm
mod_ldap-2.4.6-95.el7.x86_64.rpm
mod_proxy_html-2.4.6-95.el7.x86_64.rpm
mod_session-2.4.6-95.el7.x86_64.rpm
mod_ssl-2.4.6-95.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
httpd-2.4.6-95.el7.src.rpm

noarch:
httpd-manual-2.4.6-95.el7.noarch.rpm

ppc64:
httpd-2.4.6-95.el7.ppc64.rpm
httpd-debuginfo-2.4.6-95.el7.ppc64.rpm
httpd-devel-2.4.6-95.el7.ppc64.rpm
httpd-tools-2.4.6-95.el7.ppc64.rpm
mod_session-2.4.6-95.el7.ppc64.rpm
mod_ssl-2.4.6-95.el7.ppc64.rpm

ppc64le:
httpd-2.4.6-95.el7.ppc64le.rpm
httpd-debuginfo-2.4.6-95.el7.ppc64le.rpm
httpd-devel-2.4.6-95.el7.ppc64le.rpm
httpd-tools-2.4.6-95.el7.ppc64le.rpm
mod_session-2.4.6-95.el7.ppc64le.rpm
mod_ssl-2.4.6-95.el7.ppc64le.rpm

s390x:
httpd-2.4.6-95.el7.s390x.rpm
httpd-debuginfo-2.4.6-95.el7.s390x.rpm
httpd-devel-2.4.6-95.el7.s390x.rpm
httpd-tools-2.4.6-95.el7.s390x.rpm
mod_session-2.4.6-95.el7.s390x.rpm
mod_ssl-2.4.6-95.el7.s390x.rpm

x86_64:
httpd-2.4.6-95.el7.x86_64.rpm
httpd-debuginfo-2.4.6-95.el7.x86_64.rpm
httpd-devel-2.4.6-95.el7.x86_64.rpm
httpd-tools-2.4.6-95.el7.x86_64.rpm
mod_session-2.4.6-95.el7.x86_64.rpm
mod_ssl-2.4.6-95.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
httpd-debuginfo-2.4.6-95.el7.ppc64.rpm
mod_ldap-2.4.6-95.el7.ppc64.rpm
mod_proxy_html-2.4.6-95.el7.ppc64.rpm

ppc64le:
httpd-debuginfo-2.4.6-95.el7.ppc64le.rpm
mod_ldap-2.4.6-95.el7.ppc64le.rpm
mod_proxy_html-2.4.6-95.el7.ppc64le.rpm

s390x:
httpd-debuginfo-2.4.6-95.el7.s390x.rpm
mod_ldap-2.4.6-95.el7.s390x.rpm
mod_proxy_html-2.4.6-95.el7.s390x.rpm

x86_64:
httpd-debuginfo-2.4.6-95.el7.x86_64.rpm
mod_ldap-2.4.6-95.el7.x86_64.rpm
mod_proxy_html-2.4.6-95.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
httpd-2.4.6-95.el7.src.rpm

noarch:
httpd-manual-2.4.6-95.el7.noarch.rpm

x86_64:
httpd-2.4.6-95.el7.x86_64.rpm
httpd-debuginfo-2.4.6-95.el7.x86_64.rpm
httpd-devel-2.4.6-95.el7.x86_64.rpm
httpd-tools-2.4.6-95.el7.x86_64.rpm
mod_session-2.4.6-95.el7.x86_64.rpm
mod_ssl-2.4.6-95.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
httpd-debuginfo-2.4.6-95.el7.x86_64.rpm
mod_ldap-2.4.6-95.el7.x86_64.rpm
mod_proxy_html-2.4.6-95.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-2017-15715
https://access.redhat.com/security/cve/CVE-2018-1283
https://access.redhat.com/security/cve/CVE-2018-1303
https://access.redhat.com/security/cve/CVE-2019-10098
https://access.redhat.com/security/cve/CVE-2020-1927
https://access.redhat.com/security/cve/CVE-2020-1934
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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