Security Bulletin: IBM Engineering Lifecycle Optimization - Publishing is vulnerable to Host Header Injection (CVE-2021-39028)

Security Bulletin

Summary

IBM Engineering Lifecycle Optimization - Publishing is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. CVE-2021-39028.

Vulnerability Details

CVEID: CVE-2021-39028
DESCRIPTION: IBM Engineering Lifecycle Optimization - Publishing is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
CVSS Base score: 5.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/213866 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s)	Version(s)
PUB	7.0.1
PUB	7.0.2
RPE	6.0.6
RPE	6.0.6.1
PUB	7.0

Remediation/Fixes

For IBM Publishing 7.0, upgrade to ifix016 or later, which can be downloaded from:
IBM Publishing 7.0 iFix016

For IBM Publishing 7.0.1, upgrade to ifix017 or later, which can be downloaded from:
IBM Publishing 7.0.1 iFix017

For IBM Publishing 7.0.2, upgrade to ifix013 or later, which can be downloaded from:
IBM Publishing 7.0.2 iFix013

For RPE 6.0.6 and 6.0.6.1, upgrade to latest 7.0.2 iFix13 or later, which can be downloaded from IBM Publishing 7.0.2 iFix013

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

08 Jul 2022: 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":"SSUBFB","label":"IBM Engineering Lifecycle Optimization - Publishing"},"Component":"","Platform":[{"code":"PF033","label":"Windows"},{"code":"PF016","label":"Linux"}],"Version":"6.0.6, 6.0.6.1, 7.0, 7.0.1, 7.0.2","Edition":"","Line of Business":{"code":"LOB59","label":"Sustainability Software"}}]

Tips

Security Bulletin: IBM Engineering Lifecycle Optimization - Publishing is vulnerable to Host Header Injection (CVE-2021-39028)