Security Bulletin
Summary
Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data when the attacker has write access to the Log4j configuration. The IBM Engineering Lifecycle Engineering products version 901 is vulnerable to this attack, it has been addressed in this bulletin.
Vulnerability Details
CVEID: CVE-2021-4104
DESCRIPTION: Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data when the attacker has write access to the Log4j configuration. If the deployed application is configured to use JMSAppender, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215048 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Engineering Systems Design Rhapsody | 9.0.1 |
| IBM Engineering Systems Design Rhapsody | 9.0 |
| Rational Rhapsody | 8.4 |
Remediation/Fixes
For the IBM® Engineering Design Rhapsody product versions 9.0.1, IBM strongly recommends addressing the vulnerability by applying a currently available Rhapsody 901 SR1 iFix004 full install.
For the IBM® Engineering Design Rhapsody product versions 9.0, IBM strongly recommends addressing the vulnerability by applying a currently available Rhapsody 901 SR1 iFix004 full install.
For the Rational Rhapsody product versions 8.4, IBM strongly recommends addressing the vulnerability by applying a currently available Rhapsody 901 SR1 iFix004 full install.
Workarounds and Mitigations
None
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References
Acknowledgement
Change History
09 Sep 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
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Document Information
Modified date:
11 January 2023
UID
ibm16825215