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SUSE: 2021:3669-1 Important: Tomcat Denial of Service Mitigation

suse
Calendar Grey November 16, 2021
Dist Suse Esm H88
SUSE has released a critical Security Update for tomcat, addressing several vulnerabilities, thereby enhancing its defense mechanisms against potential threats.
An update that fixes three vulnerabilities is now available

Summary

This update for tomcat fixes the following issues: - CVE-2021-30640: Escape parameters in JNDI Realm queries (bsc#1188279). - CVE-2021-33037: Process T-E header from both HTTP 1.0 and HTTP 1.1. clients (bsc#1188278). - CVE-2021-41079: Fixed a denial of service caused by an unexpected TLS packet (bsc#1190558). 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-SP1: zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2021-3669=1 - SUSE Linux Enterprise Server 15-SP1-LTSS: zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-3669=1 - SUSE Linux Enterprise Server 15-SP1-BCL:

Topics%20covered

Topics Covered

security advisory moderate denial of service SUSE Tomcat

References

#1188278 #1188279 #1190558

Cross- CVE-2021-30640 CVE-2021-33037 CVE-2021-41079

CVSS scores:

CVE-2021-30640 (NVD) : 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

CVE-2021-30640 (SUSE): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

CVE-2021-33037 (NVD) : 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVE-2021-33037 (SUSE): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CVE-2021-41079 (SUSE): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

SUSE Linux Enterprise Server for SAP 15-SP1

SUSE Linux Enterprise Server 15-SP1-LTSS

SUSE Linux Enterprise Server 15-SP1-BCL

SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS

SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS

SUSE Enterprise Storage 6

...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:3669-1
Rating: important

Topics%20covered

Topics Covered

security advisory moderate denial of service SUSE Tomcat

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