CVE-2018-1943 : Security Advisory and Response
Learn about CVE-2018-1943 affecting IBM Cloud Private versions 3.1.0 and 3.1.1. Understand the risks, impact, and mitigation steps for this HTTP HOST header injection vulnerability.
IBM Cloud Private versions 3.1.0 and 3.1.1 are vulnerable to HTTP HOST header injection, potentially allowing attackers to execute various attacks.
Understanding CVE-2018-1943
IBM Cloud Private versions 3.1.0 and 3.1.1 are susceptible to a vulnerability related to HTTP HOST header injection due to inadequate input validation. This could lead to severe security risks if exploited by malicious actors.
What is CVE-2018-1943?
CVE-2018-1943 is a vulnerability in IBM Cloud Private versions 3.1.0 and 3.1.1 that allows attackers to inject arbitrary HTTP headers by manipulating webpages, enabling various attacks like cross-site scripting, cache poisoning, or session hijacking.
The Impact of CVE-2018-1943
The vulnerability poses a medium severity risk with a CVSS base score of 5.4. If successfully exploited, attackers could compromise the affected system, leading to potential data breaches, unauthorized access, and other malicious activities.
Technical Details of CVE-2018-1943
IBM Cloud Private versions 3.1.0 and 3.1.1 are affected by a vulnerability related to HTTP HOST header injection due to inadequate input validation.
Vulnerability Description
The vulnerability allows attackers to inject arbitrary HTTP headers by convincing users to access manipulated webpages, potentially leading to various attacks against the compromised system.
Affected Systems and Versions
- Product: IBM Cloud Private
- Versions: 3.1.0, 3.1.1
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: Required
- Exploit Code Maturity: Unproven
Mitigation and Prevention
Immediate action is crucial to mitigate the risks associated with CVE-2018-1943.
Immediate Steps to Take
- Apply official fixes provided by IBM to address the vulnerability.
- Educate users about the risks of visiting untrusted websites to prevent exploitation.
Long-Term Security Practices
- Regularly update and patch IBM Cloud Private to ensure the latest security measures are in place.
- Implement robust input validation mechanisms to prevent similar vulnerabilities in the future.
Patching and Updates
- IBM has released official fixes to address the vulnerability in versions 3.1.0 and 3.1.1 of IBM Cloud Private.