CVE-2020-4305 : What You Need to Know

IBM InfoSphere Information Server versions 11.3, 11.5, and 11.7 are vulnerable to remote code execution due to deserialization of untrusted data.

Understanding CVE-2020-4305

IBM InfoSphere Information Server versions 11.3, 11.5, and 11.7 are susceptible to a remote code execution vulnerability.

What is CVE-2020-4305?

The vulnerability allows a remote attacker to execute arbitrary code on the system by exploiting the deserialization of untrusted data.
An attacker can trigger this vulnerability by convincing a user to access a malicious website.

The Impact of CVE-2020-4305

CVSS Base Score: 8.1 (High)
CVSS Vector: CVSS:3.0/AC:H/AV:N/I:H/S:U/PR:N/UI:N/A:H/C:H/E:U/RC:C/RL:O
Severity: High
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2020-4305

IBM InfoSphere Information Server versions 11.3, 11.5, and 11.7 are affected by a critical vulnerability.

Vulnerability Description

The issue arises from the deserialization of untrusted data, allowing attackers to execute arbitrary code remotely.

Affected Systems and Versions

Affected Versions: 11.3, 11.5, 11.7
Product: InfoSphere Information Server

Exploitation Mechanism

Attackers can exploit this vulnerability by luring victims to visit a specially crafted website.

Mitigation and Prevention

Immediate action is crucial to mitigate the risks associated with CVE-2020-4305.

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability.
Educate users about the risks of visiting unknown or suspicious websites.

Long-Term Security Practices

Regularly update and patch the InfoSphere Information Server to prevent security breaches.
Implement network security measures to detect and block malicious activities.

Patching and Updates

Stay informed about security bulletins and updates from IBM to apply patches promptly.