Security Bulletin: IBM Security Access Manager Appliance is affected by a Security Assertion Markup Language (SAML)-based single sign-on (SSO) systems vulnerability (CVE-2018-1443)

Security Bulletin

Summary

IBM Security Access Manager Appliance has addressed the following vulnerability

Vulnerability Details

CVEID: CVE-2018-1443
DESCRIPTION: An XML parsing vulnerability affects SAML-based single sign-on (SSO) systems. This vulnerability can allow an attacker with authenticated access to trick SAML systems into authenticating as a different user without knowledge of the victim users password.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/139754 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Affected IBM Security Access Manager Appliance	Affected Versions
IBM Security Access Manager	9.0.0 - 9.0.4

Remediation/Fixes

Product	VRMF	APAR	Remediation
IBM Security Access Manager	9.0.0 - 9.0.4	IJ04916	Open a ticket with Level 2 Support using your standard method

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

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*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: IBM Security Access Manager Appliance is affected by a Security Assertion Markup Language (SAML)-based single sign-on (SSO) systems vulnerability (CVE-2018-1443)