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Category:   Application (Web Server/CGI)  >   Apache Tomcat Vendors:   Apache Software Foundation
(Oracle Issues Fix for Oracle Linux) Apache Tomcat NIO HTTP Connector Cache Bug Lets Remote Users Obtain Potentially Sensitive Information from Other User Requests
SecurityTracker Alert ID:  1038056
SecurityTracker URL:  http://securitytracker.com/id/1038056
CVE Reference:   CVE-2016-8745   (Links to External Site)
Date:  Mar 16 2017
Impact:   Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.0.16 to 6.0.48, 7.0.0 to 7.0.73, 8.0.0.RC1 to 8.0.39, 8.5.0 to 8.5.8, 9.0.0.M1 to 9.0.0.M13
Description:   A vulnerability was reported in Apache Tomcat. A remote user can obtain potentially sensitive information on the target system.

A remote user can send a specially crafted request to trigger a flaw in the NIO HTTP Connector and cause data to be added to the processor cache multiple times, which may allow the remote user to view potentially sensitive information from other user requests.

Systems using the NIO HTTP connector are affected.

Evgenij Ryazanov reported this vulnerability.

Impact:   A remote user can obtain potentially sensitive information from other user requests.
Solution:   Oracle has issued a fix.

The Oracle Linux advisory is available at:

http://linux.oracle.com/errata/ELSA-2017-0527.html

Vendor URL:  linux.oracle.com/errata/ELSA-2017-0527.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Oracle)
Underlying OS Comments:  6

Message History:   This archive entry is a follow-up to the message listed below.
Dec 13 2016 Apache Tomcat NIO HTTP Connector Cache Bug Lets Remote Users Obtain Potentially Sensitive Information from Other User Requests



 Source Message Contents

Date:  Wed, 15 Mar 2017 14:07:06 -0700
Subject:  [El-errata] ELSA-2017-0527 Moderate: Oracle Linux 6 tomcat6 security update

Oracle Linux Security Advisory ELSA-2017-0527

http://linux.oracle.com/errata/ELSA-2017-0527.html

The following updated rpms for Oracle Linux 6 have been uploaded to the 
Unbreakable Linux Network:

i386:
tomcat6-6.0.24-105.el6_8.noarch.rpm
tomcat6-admin-webapps-6.0.24-105.el6_8.noarch.rpm
tomcat6-docs-webapp-6.0.24-105.el6_8.noarch.rpm
tomcat6-el-2.1-api-6.0.24-105.el6_8.noarch.rpm
tomcat6-javadoc-6.0.24-105.el6_8.noarch.rpm
tomcat6-jsp-2.1-api-6.0.24-105.el6_8.noarch.rpm
tomcat6-lib-6.0.24-105.el6_8.noarch.rpm
tomcat6-servlet-2.5-api-6.0.24-105.el6_8.noarch.rpm
tomcat6-webapps-6.0.24-105.el6_8.noarch.rpm

x86_64:
tomcat6-6.0.24-105.el6_8.noarch.rpm
tomcat6-admin-webapps-6.0.24-105.el6_8.noarch.rpm
tomcat6-docs-webapp-6.0.24-105.el6_8.noarch.rpm
tomcat6-el-2.1-api-6.0.24-105.el6_8.noarch.rpm
tomcat6-javadoc-6.0.24-105.el6_8.noarch.rpm
tomcat6-jsp-2.1-api-6.0.24-105.el6_8.noarch.rpm
tomcat6-lib-6.0.24-105.el6_8.noarch.rpm
tomcat6-servlet-2.5-api-6.0.24-105.el6_8.noarch.rpm
tomcat6-webapps-6.0.24-105.el6_8.noarch.rpm


SRPMS:
http://oss.oracle.com/ol6/SRPMS-updates/tomcat6-6.0.24-105.el6_8.src.rpm



Description of changes:

[0:6.0.24-105]
- Related: rhbz#1402664 CVE-2016-6816 Adding system property from 
asfbz-60594 to allow use of some un-encoded characters
- Related: rhbz#1402664 CVE-2016-6816 Resolving a security regression 
(2017-6056) caused by CVE-2016-6816

[0:6.0.24-104]
- Related: rhbz#1402664 build. reverting ExcludeArch to fix composes

[0:6.0.24-102]
- Resolves: rhbz#1413589 CVE-2016-8745 tomcat6: tomcat: information 
disclosure due to incorrect Processor sharing
- Resolves: rhbz#1402664 CVE-2016-6816 tomcat6: tomcat: HTTP Request 
smuggling vulnerability due to permitting invalid character in HTTP requests


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El-errata@oss.oracle.com
https://oss.oracle.com/mailman/listinfo/el-errata
 
 


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