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AUSCERT External Security Bulletin Redistribution
ESB-2020.2110
SUSE-SU-2020:14375-1 Security update for tomcat6
18 June 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: tomcat6
Publisher: SUSE
Operating System: SUSE
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Cross-site Scripting -- Remote with User Interaction
Access Confidential Data -- Existing Account
Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-9484 CVE-2019-12418 CVE-2019-0221
Reference: ESB-2020.2089
ESB-2020.2083
ESB-2020.2046
ESB-2020.2040
Original Bulletin:
https://www.suse.com/support/update/announcement/2020/suse-su-202014375-1.html
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SUSE Security Update: Security update for tomcat6
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:14375-1
Rating: important
References: #1136085 #1159723 #1171928
Cross-References: CVE-2019-0221 CVE-2019-12418 CVE-2020-9484
Affected Products:
SUSE Linux Enterprise Server 11-SP4-LTSS
SUSE Linux Enterprise Point of Sale 11-SP3
______________________________________________________________________________
An update that fixes three vulnerabilities is now available.
Description:
This update for tomcat6 fixes the following issues:
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.
CVE-2019-12418 (bsc#1159723) Local privilege escalation by manipulating the RMI
registry and performing a man-in-the-middle attack
When Tomcat is configured with the JMX Remote Lifecycle Listener, a local
attacker without access to the Tomcat process or configuration files was able
to manipulate the RMI registry to perform a man-in-the-middle attack to capture
user names and passwords used to access the JMX interface. The attacker could
then use these credentials to access the JMX interface and gain complete
control over the Tomcat instance.
CVE-2019-0221 (bsc#1136085) The SSI printenv command echoed user provided data
without escaping, which made it vulnerable to XSS.
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 Server 11-SP4-LTSS:
zypper in -t patch slessp4-tomcat6-14375=1
o SUSE Linux Enterprise Point of Sale 11-SP3:
zypper in -t patch sleposp3-tomcat6-14375=1
Package List:
o SUSE Linux Enterprise Server 11-SP4-LTSS (noarch):
tomcat6-6.0.53-0.57.16.1
tomcat6-admin-webapps-6.0.53-0.57.16.1
tomcat6-docs-webapp-6.0.53-0.57.16.1
tomcat6-javadoc-6.0.53-0.57.16.1
tomcat6-jsp-2_1-api-6.0.53-0.57.16.1
tomcat6-lib-6.0.53-0.57.16.1
tomcat6-servlet-2_5-api-6.0.53-0.57.16.1
tomcat6-webapps-6.0.53-0.57.16.1
o SUSE Linux Enterprise Point of Sale 11-SP3 (noarch):
tomcat6-6.0.53-0.57.16.1
tomcat6-admin-webapps-6.0.53-0.57.16.1
tomcat6-docs-webapp-6.0.53-0.57.16.1
tomcat6-javadoc-6.0.53-0.57.16.1
tomcat6-jsp-2_1-api-6.0.53-0.57.16.1
tomcat6-lib-6.0.53-0.57.16.1
tomcat6-servlet-2_5-api-6.0.53-0.57.16.1
tomcat6-webapps-6.0.53-0.57.16.1
References:
o https://www.suse.com/security/cve/CVE-2019-0221.html
o https://www.suse.com/security/cve/CVE-2019-12418.html
o https://www.suse.com/security/cve/CVE-2020-9484.html
o https://bugzilla.suse.com/1136085
o https://bugzilla.suse.com/1159723
o https://bugzilla.suse.com/1171928
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