CVE-2021-38997 : Vulnerability Insights and Analysis
Learn about CVE-2021-38997 impacting IBM API Connect versions 10.0.0.0 to 10.0.5.0, 10.0.1.0 to 10.0.1.7, and 2018.4.1.0 to 2018.4.1.19 due to HTTP header injection vulnerability. Discover the impact, technical details, and mitigation strategies.
A detailed overview of CVE-2021-38997 affecting IBM API Connect.
Understanding CVE-2021-38997
In this section, we will delve into the nature of the CVE-2021-38997 vulnerability.
What is CVE-2021-38997?
The CVE-2021-38997 vulnerability affects IBM API Connect versions 10.0.0.0 through 10.0.5.0, 10.0.1.0 through 10.0.1.7, and 2018.4.1.0 through 2018.4.1.19. It is caused by HTTP header injection due to improper input validation by HOST headers. This flaw could enable attackers to execute various malicious actions such as cross-site scripting, cache poisoning, or session hijacking.
The Impact of CVE-2021-38997
The impact of this vulnerability is classified as medium severity with a CVSS base score of 5.4. It poses a low risk to confidentiality, integrity, and privileges required, with an attack complexity level of low. The attack vector is through the network, and there is no impact on availability.
Technical Details of CVE-2021-38997
Let's explore the technical aspects of CVE-2021-38997.
Vulnerability Description
The vulnerability arises from improper neutralization of HTTP headers for scripting syntax (CWE-644). Attackers can exploit this weakness to manipulate HOST headers and launch attacks like cross-site scripting.
Affected Systems and Versions
IBM API Connect versions 10.0.0.0 to 10.0.5.0, 10.0.1.0 to 10.0.1.7, and 2018.4.1.0 to 2018.4.1.19 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit the HTTP header injection vulnerability by manipulating input in HOST headers, leading to various malicious activities.
Mitigation and Prevention
In this section, we cover the steps to mitigate and prevent CVE-2021-38997.
Immediate Steps to Take
IBM API Connect users should apply security patches provided by IBM to address this vulnerability. Additionally, monitoring for any unauthorized activities is crucial.
Long-Term Security Practices
Implement secure coding practices, conduct regular security assessments, and educate personnel on identifying and mitigating security risks to enhance long-term security.
Patching and Updates
Stay informed about security updates released by IBM and promptly apply them to protect your systems from potential exploits.