Security update for tomcat

Announcement ID:	SUSE-SU-2021:0040-1
Rating:	moderate
References:	bsc#1092163 bsc#1172562 bsc#1177582 bsc#1178396 bsc#1179602
Cross-References:	CVE-2020-13943 CVE-2020-17527
CVSS scores:	CVE-2020-13943 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVE-2020-13943 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVE-2020-17527 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2020-17527 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products:	SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise High Performance Computing 15 LTSS 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 LTSS 15 SUSE Linux Enterprise Server ESPOS 15 SUSE Linux Enterprise Server for SAP Applications 15

An update that solves two vulnerabilities and has three security fixes can now be installed.

Description:

This update for tomcat fixes the following issues:

Security issues fixed:

• CVE-2020-13943: Fixed a HTTP/2 Request mix-up (bsc#1177582).
• CVE-2020-17527: Fixed a HTTP/2 request header mix-up (bsc#1179602).

Non-security issue fixed:

• Removed tomcat-9.0.init and /usr/lib/tmpfiles.d/tomcat.conf from package. They're not used anymore becuse of systemd (bsc#1178396).
• Fixed 'tomcat-servlet-4_0-api' package alternatives to use and keep a symlink for compatibility (bsc#1092163).
• Don't give write permissions for the tomcat group on files and directories where it's not needed (bsc#1172562).

Patch Instructions:

To install this SUSE 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 ESPOS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2021-40=1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2021-40=1
• SUSE Linux Enterprise Server 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-SLES-15-2021-40=1
• SUSE Linux Enterprise Server for SAP Applications 15
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-40=1

Package List:

• SUSE Linux Enterprise Server ESPOS 15 (noarch)
  • tomcat-9.0.36-3.74.1
  • tomcat-servlet-4_0-api-9.0.36-3.74.1
  • tomcat-lib-9.0.36-3.74.1
  • tomcat-admin-webapps-9.0.36-3.74.1
  • tomcat-jsp-2_3-api-9.0.36-3.74.1
  • tomcat-el-3_0-api-9.0.36-3.74.1
  • tomcat-webapps-9.0.36-3.74.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (noarch)
  • tomcat-9.0.36-3.74.1
  • tomcat-servlet-4_0-api-9.0.36-3.74.1
  • tomcat-lib-9.0.36-3.74.1
  • tomcat-admin-webapps-9.0.36-3.74.1
  • tomcat-jsp-2_3-api-9.0.36-3.74.1
  • tomcat-el-3_0-api-9.0.36-3.74.1
  • tomcat-webapps-9.0.36-3.74.1
• SUSE Linux Enterprise Server 15 LTSS 15 (noarch)
  • tomcat-9.0.36-3.74.1
  • tomcat-servlet-4_0-api-9.0.36-3.74.1
  • tomcat-lib-9.0.36-3.74.1
  • tomcat-admin-webapps-9.0.36-3.74.1
  • tomcat-jsp-2_3-api-9.0.36-3.74.1
  • tomcat-el-3_0-api-9.0.36-3.74.1
  • tomcat-webapps-9.0.36-3.74.1
• SUSE Linux Enterprise Server for SAP Applications 15 (noarch)
  • tomcat-9.0.36-3.74.1
  • tomcat-servlet-4_0-api-9.0.36-3.74.1
  • tomcat-lib-9.0.36-3.74.1
  • tomcat-admin-webapps-9.0.36-3.74.1
  • tomcat-jsp-2_3-api-9.0.36-3.74.1
  • tomcat-el-3_0-api-9.0.36-3.74.1
  • tomcat-webapps-9.0.36-3.74.1

References:

• https://www.suse.com/security/cve/CVE-2020-13943.html
• https://www.suse.com/security/cve/CVE-2020-17527.html
• https://bugzilla.suse.com/show_bug.cgi?id=1092163
• https://bugzilla.suse.com/show_bug.cgi?id=1172562
• https://bugzilla.suse.com/show_bug.cgi?id=1177582
• https://bugzilla.suse.com/show_bug.cgi?id=1178396
• https://bugzilla.suse.com/show_bug.cgi?id=1179602