Security Bulletin: FileNet CMIS (FNCMIS) leveraging Spring Framework is vulnerable to a denial of service caused by improper handling of range request by the ResourceHttpRequestHandler

Security Bulletin

Summary

FileNet Content Management Interoperability Services (CMIS), which ships with IBM Content Navigator, is affected by the following vulnerability:

Spring Framework’s improper handling of ResourceHttpRequestHandler could result in denial of service condition.

Vulnerability Details

CVE-ID: CVE-2018-15756
DESCRIPTION: Pivotal Spring Framework is vulnerable to a denial of service, caused by improper handling of range request by the ResourceHttpRequestHandler. By adding a range header with a high number of ranges, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/151641 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM ECM CMIS and FileNet Collaboration Services 3.0.4

Remediation/Fixes

*Product*	*VRMF*	*Remediation/First Fix*
IBM ECM CMIS and FileNet Collaboration Services	3.0.4	Download the fix IBM ECM CMIS and CS 3.0.4-iFix005 from IBM Fix central ( https://www.ibm.com/support/fixcentral/ )

Workarounds and Mitigations

FileNet Content Management Interoperability Services (CMIS), shipped with IBM Content Navigator, is vulnerable to Denial of Service (DoS) due to improper handling of range request by the ResourceHttpRequestHandler in the Spring Framework. When an attacker adds a range of headers, with a high number of range values to the request object, the framework results in DoS.
Fixed the FileNet Content Management Interoperability Services (CMIS) by upgrading the Spring Framework to version 4.3.22

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

28th Feb 2019 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.

Internal Use Only

I have reviewed this document and it is OK to go ahead and publish when needed. - Christina

Document Location

Worldwide

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Tips

Security Bulletin: FileNet CMIS (FNCMIS) leveraging Spring Framework is vulnerable to a denial of service caused by improper handling of range request by the ResourceHttpRequestHandler