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===================================================================== Red Hat Security Advisory
Synopsis: Moderate: httpd security update Advisory ID: RHSA-2017:2972-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2017:2972 Issue date: 2017-10-19 CVE Names: CVE-2017-12171 CVE-2017-9798 =====================================================================
1. Summary:
An update for httpd is now available for Red Hat Enterprise Linux 6.
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 Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, noarch, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - noarch, x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64
3. Description:
The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
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)
* A regression was found in the Red Hat Enterprise Linux 6.9 version of httpd, causing comments in the "Allow" and "Deny" configuration lines to be parsed incorrectly. A web administrator could unintentionally allow any client to access a restricted HTTP resource. (CVE-2017-12171)
Red Hat would like to thank Hanno Böck for reporting CVE-2017-9798 and KAWAHARA Masashi for reporting CVE-2017-12171.
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/):
1490344 - CVE-2017-9798 httpd: Use-after-free by limiting unregistered HTTP method (Optionsbleed) 1493056 - CVE-2017-12171 httpd: # character matches all IPs
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source: httpd-2.2.15-60.el6_9.6.src.rpm
i386: httpd-2.2.15-60.el6_9.6.i686.rpm httpd-debuginfo-2.2.15-60.el6_9.6.i686.rpm httpd-tools-2.2.15-60.el6_9.6.i686.rpm
x86_64: httpd-2.2.15-60.el6_9.6.x86_64.rpm httpd-debuginfo-2.2.15-60.el6_9.6.x86_64.rpm httpd-tools-2.2.15-60.el6_9.6.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386: httpd-debuginfo-2.2.15-60.el6_9.6.i686.rpm httpd-devel-2.2.15-60.el6_9.6.i686.rpm mod_ssl-2.2.15-60.el6_9.6.i686.rpm
noarch: httpd-manual-2.2.15-60.el6_9.6.noarch.rpm
x86_64: httpd-debuginfo-2.2.15-60.el6_9.6.i686.rpm httpd-debuginfo-2.2.15-60.el6_9.6.x86_64.rpm httpd-devel-2.2.15-60.el6_9.6.i686.rpm httpd-devel-2.2.15-60.el6_9.6.x86_64.rpm mod_ssl-2.2.15-60.el6_9.6.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: httpd-2.2.15-60.el6_9.6.src.rpm
x86_64: httpd-2.2.15-60.el6_9.6.x86_64.rpm httpd-debuginfo-2.2.15-60.el6_9.6.x86_64.rpm httpd-tools-2.2.15-60.el6_9.6.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
noarch: httpd-manual-2.2.15-60.el6_9.6.noarch.rpm
x86_64: httpd-debuginfo-2.2.15-60.el6_9.6.i686.rpm httpd-debuginfo-2.2.15-60.el6_9.6.x86_64.rpm httpd-devel-2.2.15-60.el6_9.6.i686.rpm httpd-devel-2.2.15-60.el6_9.6.x86_64.rpm mod_ssl-2.2.15-60.el6_9.6.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: httpd-2.2.15-60.el6_9.6.src.rpm
i386: httpd-2.2.15-60.el6_9.6.i686.rpm httpd-debuginfo-2.2.15-60.el6_9.6.i686.rpm httpd-devel-2.2.15-60.el6_9.6.i686.rpm httpd-tools-2.2.15-60.el6_9.6.i686.rpm mod_ssl-2.2.15-60.el6_9.6.i686.rpm
noarch: httpd-manual-2.2.15-60.el6_9.6.noarch.rpm
ppc64: httpd-2.2.15-60.el6_9.6.ppc64.rpm httpd-debuginfo-2.2.15-60.el6_9.6.ppc.rpm httpd-debuginfo-2.2.15-60.el6_9.6.ppc64.rpm httpd-devel-2.2.15-60.el6_9.6.ppc.rpm httpd-devel-2.2.15-60.el6_9.6.ppc64.rpm httpd-tools-2.2.15-60.el6_9.6.ppc64.rpm mod_ssl-2.2.15-60.el6_9.6.ppc64.rpm
s390x: httpd-2.2.15-60.el6_9.6.s390x.rpm httpd-debuginfo-2.2.15-60.el6_9.6.s390.rpm httpd-debuginfo-2.2.15-60.el6_9.6.s390x.rpm httpd-devel-2.2.15-60.el6_9.6.s390.rpm httpd-devel-2.2.15-60.el6_9.6.s390x.rpm httpd-tools-2.2.15-60.el6_9.6.s390x.rpm mod_ssl-2.2.15-60.el6_9.6.s390x.rpm
x86_64: httpd-2.2.15-60.el6_9.6.x86_64.rpm httpd-debuginfo-2.2.15-60.el6_9.6.i686.rpm httpd-debuginfo-2.2.15-60.el6_9.6.x86_64.rpm httpd-devel-2.2.15-60.el6_9.6.i686.rpm httpd-devel-2.2.15-60.el6_9.6.x86_64.rpm httpd-tools-2.2.15-60.el6_9.6.x86_64.rpm mod_ssl-2.2.15-60.el6_9.6.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: httpd-2.2.15-60.el6_9.6.src.rpm
i386: httpd-2.2.15-60.el6_9.6.i686.rpm httpd-debuginfo-2.2.15-60.el6_9.6.i686.rpm httpd-devel-2.2.15-60.el6_9.6.i686.rpm httpd-tools-2.2.15-60.el6_9.6.i686.rpm mod_ssl-2.2.15-60.el6_9.6.i686.rpm
noarch: httpd-manual-2.2.15-60.el6_9.6.noarch.rpm
x86_64: httpd-2.2.15-60.el6_9.6.x86_64.rpm httpd-debuginfo-2.2.15-60.el6_9.6.i686.rpm httpd-debuginfo-2.2.15-60.el6_9.6.x86_64.rpm httpd-devel-2.2.15-60.el6_9.6.i686.rpm httpd-devel-2.2.15-60.el6_9.6.x86_64.rpm httpd-tools-2.2.15-60.el6_9.6.x86_64.rpm mod_ssl-2.2.15-60.el6_9.6.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-2017-12171 https://access.redhat.com/security/cve/CVE-2017-9798 https://access.redhat.com/security/updates/classification/#moderate
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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