Security update for tomcat

Announcement ID: SUSE-SU-2020:1363-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-9484 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-9484 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15 SP1
  • SUSE Linux Enterprise Server 15 SP1
  • SUSE Linux Enterprise Server 15 SP1 Business Critical Linux 15-SP1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP1
  • SUSE Manager Proxy 4.0
  • SUSE Manager Retail Branch Server 4.0
  • SUSE Manager Server 4.0
  • Web and Scripting Module 15-SP1

An update that solves one vulnerability can now be installed.

Description:

This update for tomcat fixes the following issues:

  • Update to Tomcat 9.0.35. See changelog at http://tomcat.apache.org/tomcat-9.0-doc/changelog.html#Tomcat_9.0.35_(markt)

  • CVE-2020-9484 (bsc#1171928) Apache Tomcat Remote Code Execution via session persistence

If an attacker was able to control the contents and name of a file on a server configured to use the PersistenceManager, then the attacker could have triggered a remote code execution via deserialization of the file under their control.

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:

  • Web and Scripting Module 15-SP1
    zypper in -t patch SUSE-SLE-Module-Web-Scripting-15-SP1-2020-1363=1

Package List:

  • Web and Scripting Module 15-SP1 (noarch)
    • tomcat-9.0.35-4.30.2
    • tomcat-lib-9.0.35-4.30.2
    • tomcat-webapps-9.0.35-4.30.2
    • tomcat-servlet-4_0-api-9.0.35-4.30.2
    • tomcat-el-3_0-api-9.0.35-4.30.2
    • tomcat-admin-webapps-9.0.35-4.30.2
    • tomcat-jsp-2_3-api-9.0.35-4.30.2

References: