CVE-2019-4552 : Vulnerability Insights and Analysis

IBM Security Access Manager and IBM Security Verify Access are vulnerable to HTTP response splitting attacks, potentially leading to further exploits and unauthorized access.

Understanding CVE-2019-4552

This CVE involves a vulnerability in IBM Security Access Manager and IBM Security Verify Access that could be exploited by remote attackers.

What is CVE-2019-4552?

The versions 9.0.7 of IBM Security Access Manager and 10.0.0 of IBM Security Verify Access have a vulnerability that makes them susceptible to HTTP response splitting attacks. If a remote attacker manages to manipulate a URL in a specific way and a user clicks on this URL, the server will return a split response. This can then be leveraged by the attacker to carry out additional attacks, like Web cache poisoning and cross-site scripting. In some cases, the attacker may also gain access to sensitive information. This vulnerability has been identified by IBM X-Force with the ID: 165960.

The Impact of CVE-2019-4552

Attack Complexity: Low
Attack Vector: Network
Base Score: 6.1 (Medium)
Confidentiality Impact: Low
Integrity Impact: Low
User Interaction: Required
Exploit Code Maturity: Unproven
Privileges Required: None
Remediation Level: Official Fix
Report Confidence: Confirmed
Scope: Changed
Temporal Score: 5.3 (Medium)
Vector String: CVSS:3.0/AV:N/C:L/PR:N/A:N/S:C/I:L/UI:R/AC:L/RL:O/RC:C/E:U

Technical Details of CVE-2019-4552

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

The vulnerability allows remote attackers to manipulate URLs to trigger split responses from the server, potentially leading to further attacks.

Affected Systems and Versions

IBM Security Access Manager 9.0.7
IBM Security Verify Access 10.0.0

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting URLs in a specific way to manipulate server responses.

Mitigation and Prevention

Protect your systems from CVE-2019-4552 with these mitigation strategies.

Immediate Steps to Take

Apply official fixes provided by IBM.
Educate users about the risks of clicking on suspicious URLs.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch your systems.
Conduct security training for employees to enhance awareness.
Implement web application firewalls to detect and block malicious traffic.

Patching and Updates

Ensure that you promptly apply official fixes and updates released by IBM to address this vulnerability.