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Security Bulletin: libXml2 used by IBM InfoSphere Identity Insight has a potential vulnerability (CVE-2021-3518)

Security Bulletin


Summary

The libXml2 library used by Identity Insight has a potential use-after-free vulnerability that could be exploited by an attacker using a crafted input file.

Vulnerability Details

CVEID:   CVE-2021-3518
DESCRIPTION:   GNOME libxml2 could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free flaw in the xmlXIncludeDoProcess() function in xinclude.c. By sending a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203144 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM InfoSphere Identity Insight9.0
IBM InfoSphere Identity Insight9.1
IBM InfoSphere Identity Insight10.0

Remediation/Fixes

This can be resolved by updating the libXml2 library in Identity Insight to version 2.9.11. Please open a support case for Identity Insight support for the replacement library file, at https://www.ibm.com/mysupport.

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

15 Sep 2021: 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":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SS2HSB","label":"InfoSphere Identity Insight"},"Component":"","Platform":[{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"},{"code":"PF002","label":"AIX"}],"Version":"9.0, 9.1, 10.0","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
15 September 2021

UID

ibm16489505

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