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AUSCERT External Security Bulletin Redistribution
ESB-2020.2489
Security update for tomcat
22 July 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: tomcat
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-11996
Reference: ESB-2020.2362
ESB-2020.2203
Original Bulletin:
https://www.suse.com/support/update/announcement/2020/suse-su-20201963-1
https://www.suse.com/support/update/announcement/2020/suse-su-20201983-1
https://www.suse.com/support/update/announcement/2020/suse-su-20201962-1
Comment: This bulletin contains three (3) SUSE security advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
SUSE Security Update: Security update for tomcat
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:1963-1
Rating: important
References: #1173389
Cross-References: CVE-2020-11996
Affected Products:
SUSE OpenStack Cloud Crowbar 9
SUSE OpenStack Cloud 9
SUSE Linux Enterprise Server for SAP 12-SP4
SUSE Linux Enterprise Server 12-SP5
SUSE Linux Enterprise Server 12-SP4-LTSS
______________________________________________________________________________
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
o 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:
o SUSE OpenStack Cloud Crowbar 9:
zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2020-1963=1
o SUSE OpenStack Cloud 9:
zypper in -t patch SUSE-OpenStack-Cloud-9-2020-1963=1
o SUSE Linux Enterprise Server for SAP 12-SP4:
zypper in -t patch SUSE-SLE-SAP-12-SP4-2020-1963=1
o SUSE Linux Enterprise Server 12-SP5:
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-1963=1
o SUSE Linux Enterprise Server 12-SP4-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2020-1963=1
Package List:
o SUSE OpenStack Cloud Crowbar 9 (noarch):
tomcat-9.0.36-3.42.2
tomcat-admin-webapps-9.0.36-3.42.2
tomcat-docs-webapp-9.0.36-3.42.2
tomcat-el-3_0-api-9.0.36-3.42.2
tomcat-javadoc-9.0.36-3.42.2
tomcat-jsp-2_3-api-9.0.36-3.42.2
tomcat-lib-9.0.36-3.42.2
tomcat-servlet-4_0-api-9.0.36-3.42.2
tomcat-webapps-9.0.36-3.42.2
o SUSE OpenStack Cloud 9 (noarch):
tomcat-9.0.36-3.42.2
tomcat-admin-webapps-9.0.36-3.42.2
tomcat-docs-webapp-9.0.36-3.42.2
tomcat-el-3_0-api-9.0.36-3.42.2
tomcat-javadoc-9.0.36-3.42.2
tomcat-jsp-2_3-api-9.0.36-3.42.2
tomcat-lib-9.0.36-3.42.2
tomcat-servlet-4_0-api-9.0.36-3.42.2
tomcat-webapps-9.0.36-3.42.2
o SUSE Linux Enterprise Server for SAP 12-SP4 (noarch):
tomcat-9.0.36-3.42.2
tomcat-admin-webapps-9.0.36-3.42.2
tomcat-docs-webapp-9.0.36-3.42.2
tomcat-el-3_0-api-9.0.36-3.42.2
tomcat-javadoc-9.0.36-3.42.2
tomcat-jsp-2_3-api-9.0.36-3.42.2
tomcat-lib-9.0.36-3.42.2
tomcat-servlet-4_0-api-9.0.36-3.42.2
tomcat-webapps-9.0.36-3.42.2
o SUSE Linux Enterprise Server 12-SP5 (noarch):
tomcat-9.0.36-3.42.2
tomcat-admin-webapps-9.0.36-3.42.2
tomcat-docs-webapp-9.0.36-3.42.2
tomcat-el-3_0-api-9.0.36-3.42.2
tomcat-javadoc-9.0.36-3.42.2
tomcat-jsp-2_3-api-9.0.36-3.42.2
tomcat-lib-9.0.36-3.42.2
tomcat-servlet-4_0-api-9.0.36-3.42.2
tomcat-webapps-9.0.36-3.42.2
o SUSE Linux Enterprise Server 12-SP4-LTSS (noarch):
tomcat-9.0.36-3.42.2
tomcat-admin-webapps-9.0.36-3.42.2
tomcat-docs-webapp-9.0.36-3.42.2
tomcat-el-3_0-api-9.0.36-3.42.2
tomcat-javadoc-9.0.36-3.42.2
tomcat-jsp-2_3-api-9.0.36-3.42.2
tomcat-lib-9.0.36-3.42.2
tomcat-servlet-4_0-api-9.0.36-3.42.2
tomcat-webapps-9.0.36-3.42.2
References:
o https://www.suse.com/security/cve/CVE-2020-11996.html
o https://bugzilla.suse.com/1173389
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for tomcat
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:1962-1
Rating: important
References: #1173389
Cross-References: CVE-2020-11996
Affected Products:
SUSE Linux Enterprise Module for Web Scripting 15-SP1
______________________________________________________________________________
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
o 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:
o SUSE Linux Enterprise Module for Web Scripting 15-SP1:
zypper in -t patch SUSE-SLE-Module-Web-Scripting-15-SP1-2020-1962=1
Package List:
o SUSE Linux Enterprise Module for Web Scripting 15-SP1 (noarch):
tomcat-9.0.36-4.38.1
tomcat-admin-webapps-9.0.36-4.38.1
tomcat-el-3_0-api-9.0.36-4.38.1
tomcat-jsp-2_3-api-9.0.36-4.38.1
tomcat-lib-9.0.36-4.38.1
tomcat-servlet-4_0-api-9.0.36-4.38.1
tomcat-webapps-9.0.36-4.38.1
References:
o https://www.suse.com/security/cve/CVE-2020-11996.html
o https://bugzilla.suse.com/1173389
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for tomcat
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:1983-1
Rating: important
References: #1173389
Cross-References: CVE-2020-11996
Affected Products:
SUSE Linux Enterprise Module for Web Scripting 15-SP2
______________________________________________________________________________
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
o 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:
o SUSE Linux Enterprise Module for Web Scripting 15-SP2:
zypper in -t patch SUSE-SLE-Module-Web-Scripting-15-SP2-2020-1983=1
Package List:
o SUSE Linux Enterprise Module for Web Scripting 15-SP2 (noarch):
tomcat-9.0.36-3.3.1
tomcat-admin-webapps-9.0.36-3.3.1
tomcat-el-3_0-api-9.0.36-3.3.1
tomcat-jsp-2_3-api-9.0.36-3.3.1
tomcat-lib-9.0.36-3.3.1
tomcat-servlet-4_0-api-9.0.36-3.3.1
tomcat-webapps-9.0.36-3.3.1
References:
o https://www.suse.com/security/cve/CVE-2020-11996.html
o https://bugzilla.suse.com/1173389
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The University of Queensland
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