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Security Bulletin: Open Source Apache Tomcat vulnerabilities affect IBM Tivoli Application Dependency Discovery Manager (TADDM)

Description

## Summary Multiple vulnerabilities in Open Source Apache Tomcat reported by The Apache Software Foundation affect IBM Tivoli Application Dependency Discovery Manager ## Vulnerability Details **CVEID:** [_CVE-2016-0762_](<https://vulners.com/cve/CVE-2016-0762>)** DESCRIPTION:** Apache Tomcat could allow a remote attacker to obtain sensitive information, caused by the failure to process the user supplied password if the specified user name does not exist by the Realm implementation. An attacker could exploit this vulnerability to conduct a timing attack and determine valid usernames on the system. CVSS Base Score: 5.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/118407_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/118407>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) **CVEID:** [_CVE-2016-5018_](<https://vulners.com/cve/CVE-2016-5018>)** DESCRIPTION:** Apache Tomcat could allow a local attacker to bypass security restrictions. An attacker could exploit this vulnerability using a Tomcat utility method to bypass a configured SecurityManager. CVSS Base Score: 4 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/118406_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/118406>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) **CVEID:** [_CVE-2016-6794_](<https://vulners.com/cve/CVE-2016-6794>)** DESCRIPTION:** Apache Tomcat could allow a local attacker to obtain sensitive information, caused by an error in the system property replacement feature. An attacker could exploit this vulnerability to bypass the SecurityManager and read system properties. CVSS Base Score: 4 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/118405_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/118405>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) **CVEID:** [_CVE-2016-6796_](<https://vulners.com/cve/CVE-2016-6796>)** DESCRIPTION:** Apache Tomcat could allow a local attacker to bypass security restrictions. By modifying configuration parameters for the JSP Servlet, an attacker could exploit this vulnerability to bypass a configured SecurityManager. CVSS Base Score: 4 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/118404_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/118404>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) **CVEID:** [_CVE-2016-6797_](<https://vulners.com/cve/CVE-2016-6797>)** DESCRIPTION:** Apache Tomcat could allow a local attacker to gain unauthorized access to the system, caused by an error in the ResourceLinkFactory. An attacker could exploit this vulnerability to gain access to arbitrary global JNDI resources. CVSS Base Score: 4 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/118403_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/118403>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) **CVEID:** [_CVE-2016-6816_](<https://vulners.com/cve/CVE-2016-6816>)** DESCRIPTION:** Apache Tomcat is vulnerable to HTTP response splitting attacks, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability to inject arbitrary HTTP headers and cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning or cross-site scripting, and possibly obtain sensitive information. CVSS Base Score: 6.1 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/119158_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/119158>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) **CVEID:** [_CVE-2016-8745_](<https://vulners.com/cve/CVE-2016-8745>)** DESCRIPTION:** Apache Tomcat could allow a remote attacker to obtain sensitive information, caused by the improper handling of the send file code for the NIO HTTP connector when the Connector code for Tomcat 8.5.x is refactored. An attacker could exploit this vulnerability to obtain the session ID and the response body. CVSS Base Score: 5.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/119642_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/119642>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) ## Affected Products and Versions TADDM 7.2.2.0 - 7.2.2.5 TADDM 7.3.0.0 (TADDM 7.3.0.1-3 - not affected - using WebSphere Liberty Profile) ## Remediation/Fixes There are eFixes prepared on top of the latest released FixPack for each stream: **Fix**| **VRMF**| **APAR**| **How to acquire fix** ---|---|---|--- efix_TADDM73_tomcat7077_201411291020_1.zip| 7.3.0.0| None| [_Download eFix_](<ftp://ftp.ecurep.ibm.com/fromibm/tivoli/efix_TADDM73_tomcat7077_201411291020_1.zip>) efix_TADDM722_tomcat7077_FP520160209.zip| 7.2.2.5 | None| [_Download eFix_](<ftp://ftp.ecurep.ibm.com/fromibm/tivoli/efix_TADDM722_tomcat7077_FP520160209.zip>) Please get familiar with eFix readme in etc/<efix_name>_readme.txt Note that the eFix requires manual deletion of the external/apache-tomcat directory. ## Workarounds and Mitigations The solution is to upgrade TADDM to use Tomcat version 7.0.77 eFixes are prepared on top of the latest FixPack release, but if there were any custom changes made in a previous version of Apache Tomcat, please reapply them after the upgrade is finished. ##


Affected Software


CPE Name Name Version
tivoli application dependency discovery manager 7.2.2
tivoli application dependency discovery manager 7.3

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