Security Bulletin: Cross-site scripting vulnerabilities in IBM Business Process Manager (BPM) Process Portal (CVE-2014-8913, CVE-2014-8914)

Security Bulletin

Summary

Insufficient user input validation in IBM Business Process Manager's Process Portal can lead to a cross-site scripting exposure.

Vulnerability Details

CVEID: CVE-2014-8913
DESCRIPTION: IBM Business Process Manager is vulnerable to cross-site scripting, which is caused by the improper validation of user-supplied input. A remote attacker might exploit this vulnerability using a specially crafted URL to execute a script in a user's web browser within the security context of the hosting web site after the URL is clicked. An attacker might use this vulnerability to steal the user's cookie-based authentication credentials.

CVSS Base Score: 3.5

CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/99284 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVEID: CVE-2014-8914
DESCRIPTION: IBM Business Process Manager is vulnerable to cross-site scripting, which is caused by the improper validation of user-supplied input. A remote attacker might exploit this vulnerability using a specially crafted URL to execute a script in a user's web browser within the security context of the hosting web site after the URL is clicked. An attacker might use this vulnerability to steal the user's cookie-based authentication credentials.

CVSS Base Score: 3.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/99285 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:S/C:N/I:P/A:N)

Affected Products and Versions

IBM Business Process Manager Standard V8.0.x 8.5.x
IBM Business Process Manager Express V8.0.x 8.5.x
IBM Business Process Manager Advanced V8.0.x 8.5.x

Remediation/Fixes

Install the interim fix for APAR JR51742 as appropriate for your current IBM Business Process Manager version to close CVE-2014-8913.

Install the interim fix for APAR JR51836 as appropriate for your current IBM Business Process Manager version to close CVE-2014-8914. Please note that for IBM Business Process Manager V8.5.0.1 this fix is included in JR52103.

Workarounds and Mitigations

The attack requires a user to access a malicious URL that the attacker has constructed for this purpose. Advise your users not to click links of unknown or untrusted origins.

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Important Note

IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.

References

Complete CVSS v2 Guide
On-line Calculator v2

Off

Change History

2015-01-19 - initial 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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Tips

Security Bulletin: Cross-site scripting vulnerabilities in IBM Business Process Manager (BPM) Process Portal (CVE-2014-8913, CVE-2014-8914)