SUSE-SU-2020:1841-1: important: Security update for tomcat

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for tomcat
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Announcement ID:    SUSE-SU-2020:1841-1
Rating:             important
References:         #1173389 
Cross-References:   CVE-2020-11996
Affected Products:
                    SUSE Linux Enterprise Server for SAP 15
                    SUSE Linux Enterprise Server 15-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-ESPOS
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   An update that fixes one vulnerability is now available.

Description:

   This update for tomcat fixes the following issues:

   Tomcat was updated to 9.0.36 See changelog at

   - CVE-2020-11996: Fixed an issue which by sending a specially crafted
     sequence of HTTP/2 requests could have triggered high CPU usage for
     several seconds making potentially the server unresponsive (bsc#1173389).


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 Server for SAP 15:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-1841=1

   - SUSE Linux Enterprise Server 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-SLES-15-2020-1841=1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1841=1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1841=1



Package List:

   - SUSE Linux Enterprise Server for SAP 15 (noarch):

      tomcat-9.0.36-3.60.1
      tomcat-admin-webapps-9.0.36-3.60.1
      tomcat-el-3_0-api-9.0.36-3.60.1
      tomcat-jsp-2_3-api-9.0.36-3.60.1
      tomcat-lib-9.0.36-3.60.1
      tomcat-servlet-4_0-api-9.0.36-3.60.1
      tomcat-webapps-9.0.36-3.60.1

   - SUSE Linux Enterprise Server 15-LTSS (noarch):

      tomcat-9.0.36-3.60.1
      tomcat-admin-webapps-9.0.36-3.60.1
      tomcat-el-3_0-api-9.0.36-3.60.1
      tomcat-jsp-2_3-api-9.0.36-3.60.1
      tomcat-lib-9.0.36-3.60.1
      tomcat-servlet-4_0-api-9.0.36-3.60.1
      tomcat-webapps-9.0.36-3.60.1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (noarch):

      tomcat-9.0.36-3.60.1
      tomcat-admin-webapps-9.0.36-3.60.1
      tomcat-el-3_0-api-9.0.36-3.60.1
      tomcat-jsp-2_3-api-9.0.36-3.60.1
      tomcat-lib-9.0.36-3.60.1
      tomcat-servlet-4_0-api-9.0.36-3.60.1
      tomcat-webapps-9.0.36-3.60.1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (noarch):

      tomcat-9.0.36-3.60.1
      tomcat-admin-webapps-9.0.36-3.60.1
      tomcat-el-3_0-api-9.0.36-3.60.1
      tomcat-jsp-2_3-api-9.0.36-3.60.1
      tomcat-lib-9.0.36-3.60.1
      tomcat-servlet-4_0-api-9.0.36-3.60.1
      tomcat-webapps-9.0.36-3.60.1


References:

   https://www.suse.com/security/cve/CVE-2020-11996.html
   https://bugzilla.suse.com/1173389