SB2022070504 - Multiple vulnerabilities in IBM Integration Bus and IBM App Connect Enterprise

Description

This security bulletin contains information about 2 vulnerabilities.

1) Prototype pollution (CVE-ID: CVE-2021-43138)

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to escalate privileges within the application.

The vulnerability exists due to improper input validation when handling data passed via the mapValues() method. A remote attacker can send a specially crafted request and escalate privileges within the application.

2) Input validation error (CVE-ID: CVE-2022-21803)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to modify files on the system.

The vulnerability exists due to .set() function that is responsible for setting the configuration properties is vulnerable to Prototype Pollution. A remote attacker can provide a specially crafted property, leading to prototype object pollution.

Remediation

Install update from vendor's website.

References

• https://www.ibm.com/blogs/psirt/security-bulletin-ibm-integration-bus-and-ibm-app-connect-enterprise-are-vulnerable-to-arbitrary-code-execution-due-to-async-cve-2021-43138-and-nconf-cve-2022-21803/
• https://www.ibm.com/support/pages/node/6601137