SB2023020311 - Reliance on reverse DNS resolution for a security-critical action in IBM App Connect Enterprise Certified Container
Published: February 3, 2023
Security Bulletin ID
SB2023020311
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Reliance on Reverse DNS Resolution for a Security-Critical Action (CVE-ID: CVE-2022-43548)
The vulnerability allows a remote attacker to perform DNS rebinding attacks.
The vulnerability exists due to improper validation of octal IP address within the Node.js rebinding protector for --inspec. A remote attacker can
resolve the invalid octal address via DNS. When combined with an active
--inspect session, such as when using VSCode, an attacker can perform DNS
rebinding and execute arbitrary code in client's browser.
Remediation
Install update from vendor's website.