CVE-2020-4629 : Exploit Details and Defense Strategies
Learn about CVE-2020-4629 affecting IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0. Understand the impact, technical details, and mitigation steps for this information disclosure vulnerability.
IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0 are vulnerable to an information disclosure issue that could be exploited by a local user with specialized access. This CVE was published on September 29, 2020.
Understanding CVE-2020-4629
This CVE affects IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0, potentially allowing unauthorized access to sensitive information.
What is CVE-2020-4629?
CVE-2020-4629 is a vulnerability in IBM WebSphere Application Server that enables a local user with specific privileges to extract sensitive data from detailed error messages. This data could be leveraged in subsequent attacks against the system.
The Impact of CVE-2020-4629
The vulnerability has a CVSS base score of 2.9, indicating a low severity issue with a potential impact on confidentiality. Although the attack complexity is high, the exploit code maturity is unproven, limiting immediate risks.
Technical Details of CVE-2020-4629
IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0 are susceptible to information disclosure due to detailed error messages.
Vulnerability Description
The vulnerability allows a local user with specialized access to extract sensitive information from technical error messages.
Affected Systems and Versions
- WebSphere Application Server 7.0
- WebSphere Application Server 8.0
- WebSphere Application Server 8.5
- WebSphere Application Server 9.0
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Local
- Confidentiality Impact: Low
- Privileges Required: None
- Exploit Code Maturity: Unproven
Mitigation and Prevention
To address CVE-2020-4629, follow these steps:
Immediate Steps to Take
- Monitor IBM's security bulletin for official fixes and updates.
- Restrict access to sensitive systems and error messages.
Long-Term Security Practices
- Regularly update and patch IBM WebSphere Application Server.
- Implement least privilege access controls to limit user capabilities.
Patching and Updates
- Apply official fixes provided by IBM to mitigate the vulnerability and enhance system security.