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Security Bulletin: API Connect is affected by a weak two factor authentication vulnerability

Security Bulletin


Summary

IBM API Connect has addressed the following vulnerability.

API Connect user are affected by a TwoFactor (2FA/TFA) bypass while resetting password.
Using API Connect version 5.0.8.3 and with Two Factor Authentication enabled on the Developer Portal it is possible to bypass TFA and get full access.

Vulnerability Details

Vulnerability Details

CVEID: CVE-2018-1638
DESCRIPTION: IBM API Connect Developer Portal does not enforce Two Factor Authentication(TFA) while resetting a user password but enforces it for all other login scenarios.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/144483 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N)

Affected Products and Versions

Affected API Connect Affected Versions
API Connect 5.0.0.0-5.0.8.3

Remediation/Fixes

Product VRMF APAR Remediation / First Fix
API Connect 5.0.8.3  LI80134

Addressed in IBM API Connect iFix 5.0.8.3-APIConnect-Portal-Ubuntu16-20180524-1117 for V5.0.8.3.

Developer Portal is impacted.

Follow this link and find the fix ID 5.0.8.3-APIConnect-Portal-Ubuntu16-20180524-1117 

http://www.ibm.com/support/fixcentral/swg/quickorder?parent=ibm%7EWebSphere&product=ibm/WebSphere/IBM+API+Connect&release=5.0.8.3&platform=All&function=fixId&fixids=5.0.8.3-APIConnect-Portal-Ubuntu16-20180524-1117%3A67094276418854,5.0.8.3-APIConnect-Portal-Debian7-20180524-1117%3A67094276418854,5.0.8.3-APIConnect-Portal-Ubuntu16-20180524-1117.ova%3A67094276418854&includeSupersedes=0&source=fc

Select Option 2 for 5.0.8.3-APIConnect-Portal-Ubuntu16-20180524-1117 

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

Change History

26 July 2018: original document 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.

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSMNED","label":"IBM API Connect"},"Component":"Developer Portal","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"5.0.0.0-5.0.8.3","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
26 July 2018

UID

ibm10718415

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