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AUSCERT External Security Bulletin Redistribution
ESB-2020.3373
httpd security, bug fix, and enhancement update
30 September 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: httpd
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-1934 CVE-2020-1927 CVE-2019-10098
CVE-2018-1303 CVE-2018-1283 CVE-2017-15715
Reference: ESB-2020.1437
ESB-2020.1400
ESB-2020.1360
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:3958
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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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