Security Bulletin: Due to use of Apache Log4j, IBM Robotic Process Automation with Automation Anywhere is vulnerable to arbitrary code execution (CVE-2021-45046) and denial of service (CVE-2021-45105)

Security Bulletin

Summary

There are vulnerabilities in the Apache Log4j library used by IBM Robotic Process Automation with Automation Anywhere. This affects the IBM Robotic Process Automation with Automation Anywhere control room application. This vulnerability has been addressed by upgrading the Apache Log4j library to version 2.17.0.

Vulnerability Details

CVEID: CVE-2021-45105
DESCRIPTION: Apache Log4j is vulnerable to a denial of service, caused by the failure to protect from uncontrolled recursion from self-referential lookups. A remote attacker with control over Thread Context Map (MDC) input data could craft malicious input data that contains a recursive lookup to cause a StackOverflowError that will terminate the process. Note: The vulnerability is also called LOG4J2-3230.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215647 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2021-45046
DESCRIPTION: Apache Log4j could result in remote code execution, caused by an incomplete fix of CVE-2021-44228 in certain non-default configurations. When the logging configuration uses a non-default Pattern Layout with a Context Lookup, an attacker with control over Thread Context Map (MDC) input data can craft malicious input data using a JNDI Lookup pattern to leak sensitive information and remote code execution in some environments and local code execution in all environments.
CVSS Base score: 9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215195 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Robotic Process Automation with Automation Anywhere	11.0

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading to interim fixpack 11.0.0.10-IF004.

Workarounds and Mitigations

If the fixpack 11.0.0.10-IF004 cannot be applied immediately, follows the mitigation steps provided by Automation Anywhere which can be found here (Apeople login required).

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

12 Jan 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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Tips

Security Bulletin: Due to use of Apache Log4j, IBM Robotic Process Automation with Automation Anywhere is vulnerable to arbitrary code execution (CVE-2021-45046) and denial of service (CVE-2021-45105)