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Security Bulletin: Vulnerability in Apache Commons affects Rational DOORS Web Access (CVE-2015-7450)

Security Bulletin


Summary

An Apache Commons Collections vulnerability for handling Java object deserialization was addressed by the Apache Software Foundation.

Vulnerability Details

IBM Rational DOORS Web Access is affected by the following vulnerability:

CVEID: CVE-2015-7450



DESCRIPTION: Apache Commons Collections could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of data with Java InvokerTransformer class. By sending specially crafted data, an attacker could exploit this vulnerability to execute arbitrary Java code on the system.

CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/107918 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Rational DOORS Web Access version 9.6.1.4, 9.6.1.3, 9.6.1.2, 9.6.1.1, 9.6.1.0, 9.6.0.x, 9.5.2.x, 9.5.1.x, 9.5.0.x, 1.5.0.x, 1.4.0.x.

Remediation/Fixes

A fix for this vulnerability is available from the Apache Software Foundation:

Rational DOORS Web AccessRemediation/Fix
1.4.0.x - 9.6.1.xcommons-collections-3.2.2.jar

Replace the commons-collections-3.2.1.jar file in your Rational DOORS Web Access installation with the commons-collections-3.2.2.jar file.

  1. Download the commons-collections-3.2.2-bin.zip file at:
    http://commons.apache.org/proper/commons-collections/download_collections.cgi
    Release notes are available here:
    http://commons.apache.org/proper/commons-collections/release_3_2_2.html
  2. Extract the commons-collections-3.2.2.jar file from the file that you downloaded.
  3. Stop the Rational DOORS Web Access server and the broker.
  4. Remove this file in your installation: <installation directory>\IBM\Rational\DOORS Web Access\<version number>\broker\lib\optional\commons-collections-3.2.1.jar
  5. Copy the new commons-collections-3.2.2.jar to the same location.
  6. Start the broker and the Rational DOORS Web Access server.


For information on stopping and starting components, see Starting, stopping, and removing Rational DOORS Web Access.

For versions for Rational DOORS Web Access that are earlier than version 1.4.0.x, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

IBM recommends that you review your entire environment to identify vulnerable releases of the open-source Apache Commons Collections and take appropriate mitigation and remediation actions.

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

*23 November 2015: Original Version Published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
17 June 2018

UID

swg21971030

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