CVE-2017-1383 : Security Advisory and Response

IBM InfoSphere Information Server versions 9.1, 11.3, and 11.5 are vulnerable to an XML External Entity Injection (XXE) attack, potentially leading to information disclosure or resource consumption.

Understanding CVE-2017-1383

This CVE involves a security vulnerability in IBM InfoSphere Information Server versions 9.1, 11.3, and 11.5 that could be exploited by remote attackers.

What is CVE-2017-1383?

The XML data processing feature of IBM InfoSphere Information Server versions 9.1, 11.3, and 11.5 may be susceptible to an XML External Entity Injection (XXE) attack. This vulnerability could allow a remote attacker to disclose sensitive information or consume memory resources.

The Impact of CVE-2017-1383

Attackers could exploit this vulnerability to access sensitive data within the affected systems.
The vulnerability may lead to memory resource exhaustion, affecting system performance.

Technical Details of CVE-2017-1383

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

Vulnerability Description

IBM InfoSphere Information Server 9.1, 11.3, and 11.5 are vulnerable to an XXE attack during XML data processing, enabling attackers to potentially access sensitive information or exhaust memory resources.

Affected Systems and Versions

Product: InfoSphere Information Server
Vendor: IBM
Vulnerable Versions: 9.1, 11.3, 11.5

Exploitation Mechanism

The vulnerability could be exploited remotely by injecting malicious XML entities to trigger the XXE attack.

Mitigation and Prevention

Protecting systems from CVE-2017-1383 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by IBM to address the vulnerability.
Monitor system logs for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Educate users and administrators about secure coding practices and the risks of XXE vulnerabilities.

Patching and Updates

Ensure that all affected systems are updated with the latest patches and security fixes to mitigate the risk of exploitation.