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Security Bulletin: vulnerability in snakeyaml might affect IBM Business Automation Workflow and IBM Business Process Manager (BPM) - CVE-2017-18640

Security Bulletin


Summary

IBM Business Process Manager and IBM Business Automation Workflow might be affected by a vulnerability in snakeyaml.

Vulnerability Details

CVEID:   CVE-2017-18640
DESCRIPTION:   SnakeYAML is vulnerable to a denial of service, caused by an entity expansion in Alias feature during a load operation. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174331 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

 

Affected Product(s)Version(s)            
IBM Business Automation WorkflowV19.0
V18.0
IBM Business Process ManagerV8.6

 

 

Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR62338 as soon as practical:

For IBM Business Automation Workflow V18.0 and V19.0
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62338
--OR--
· Apply cumulative fix Business Automation Workflow V20.0.0.1 or later (targeted availability 2Q 2020)

For IBM Business Process Manager V8.6
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62338
--OR--
· Upgrade to Business Automation Workflow V20.0.0.1 or later (targeted availability 2Q 2020

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

Change History

19 Aug 2020: Initial Publication

*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.

Document Location

Worldwide

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSFTBX","label":"IBM Business Process Manager Express"},"Component":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.6","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}},{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSFTDH","label":"IBM Business Process Manager Standard"},"Component":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.6","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}},{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SS8JB4","label":"IBM Business Automation Workflow"},"Component":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"18.0.0.0, 18.0.0.1, 18.0.0.2, 19.0.0.1, 19.0.0.2, 19.0.0.3","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}},{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSFTN5","label":"IBM Business Process Manager Advanced"},"Component":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.6","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
19 August 2020

Initial Publish date:
19 August 2020

UID

ibm16262309

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