ESB-2018.3101 - [SUSE] apache2: Denial of service - Remote/unauthenticated 2018-10-12

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3101
                        Security update for apache2
                              12 October 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           apache2
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-11763  

Reference:         ESB-2018.2900

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2018/suse-su-20183101-1.html

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   SUSE Security Update: Security update for apache2
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:3101-1
Rating:             important
References:         #1109961 
Cross-References:   CVE-2018-11763
Affected Products:
                    SUSE Linux Enterprise Module for Server Applications 15
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for apache2 fixes the following issues:

   Security issues fixed:

   - CVE-2018-11763: In Apache HTTP Server by sending continuous, large
     SETTINGS frames a client can occupy a connection, server thread and CPU
     time without any connection timeout coming to effect. This affects only
     HTTP/2 connections. (bsc#1109961)

   Bug fixes:

   - consider also patterns in APACHE_CONF_INCLUDE_DIRS as documentation says
     (patch Juergen Gleiss)


Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Module for Server Applications 15:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2018-2201=1



Package List:

   - SUSE Linux Enterprise Module for Server Applications 15 (aarch64 ppc64le s390x x86_64):

      apache2-2.4.33-3.6.1
      apache2-debuginfo-2.4.33-3.6.1
      apache2-debugsource-2.4.33-3.6.1
      apache2-devel-2.4.33-3.6.1
      apache2-prefork-2.4.33-3.6.1
      apache2-prefork-debuginfo-2.4.33-3.6.1
      apache2-utils-2.4.33-3.6.1
      apache2-utils-debuginfo-2.4.33-3.6.1
      apache2-worker-2.4.33-3.6.1
      apache2-worker-debuginfo-2.4.33-3.6.1

   - SUSE Linux Enterprise Module for Server Applications 15 (noarch):

      apache2-doc-2.4.33-3.6.1


References:

   https://www.suse.com/security/cve/CVE-2018-11763.html
   https://bugzilla.suse.com/1109961

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