Security Bulletin: Security vulnerability about Apache Tomcat JSP file upload in WebSphere Application Server Community Edition 3.0.0.4

Summary

Unrestricted file upload vulnerability in Apache Tomcat which is shipped with WASCE 3.0.0.4, in certain situations involving outdated java.io.File code and a custom JMX configuration, allows remote attackers to execute arbitrary code by uploading and accessing a JSP file.

Vulnerability Details

CVE ID:CVE-2013-4444

DESCRIPTION: Apache Tomcat could allow a remote attacker to upload arbitrary files, caused by the improper validation of file extensions by the File Upload feature. By sending a specially-crafted HTTP request, a remote attacker could exploit this vulnerability to upload a malicious JSP, which could allow the attacker to execute arbitrary JSP code on the vulnerable system.

CVSS:

CVSS Base Score: 6.0

CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/95876&gt; for more information

CVSS Environmental Score:* Undefined

CVSS Vector: (AV:N/AC:M/Au:S/C:P/I:P/A:P)

Affected Products and Versions

WebSphere Application Server Community Edition 3.0.0.4

Remediation/Fixes

Please follow the instruction below.

1.Please download the patch file.TomcatFileuploadPatchFor3.0.0.4.zip

2.Unzip the attached file into the WebSphere Application Server Community Edition installation directory, and ensure the files listed in the zip file replace the ones in the server installation directory.

3.Start WASCE 3.0.0.4 server with the cache cleaned, for example,

Window

<WAS_CE_HOME>\bin\startup -c
Unix/Linux
<WAS_CE_HOME>/bin/startup.sh -c