CVE-2018-1755 : What You Need to Know
Learn about CVE-2018-1755 affecting IBM WebSphere Application Server Liberty. Discover the impact, affected systems, exploitation mechanism, and mitigation steps to secure your systems.
IBM WebSphere Application Server Liberty has a vulnerability that could lead to the disclosure of sensitive information when using Java Authentication SPI for Containers (JASPIC) on non-secure ports.
Understanding CVE-2018-1755
This CVE involves a potential vulnerability in IBM WebSphere Application Server Liberty that could result in the exposure of sensitive data.
What is CVE-2018-1755?
The vulnerability arises from the incorrect transport protocol being used when Liberty is configured to utilize Java Authentication SPI for Containers (JASPIC). This risk is particularly relevant in situations where the Application Server is configured to allow access on a non-secure (http) port and is utilizing JASPIC or JSR375 authentication methods.
The Impact of CVE-2018-1755
- CVSS Base Score: 5.9 (Medium Severity)
- Confidentiality Impact: High
- Attack Vector: Network
- Exploit Code Maturity: Unproven
- This vulnerability could allow a remote attacker to obtain sensitive information.
Technical Details of CVE-2018-1755
This section provides detailed technical information about the CVE.
Vulnerability Description
- The vulnerability in IBM WebSphere Application Server Liberty allows for the disclosure of sensitive information due to incorrect transport protocol usage.
Affected Systems and Versions
- Affected Product: WebSphere Application Server
- Vendor: IBM
- Affected Version: Liberty
Exploitation Mechanism
- The vulnerability can be exploited when Liberty is configured to use Java Authentication SPI for Containers (JASPIC) on non-secure ports.
Mitigation and Prevention
Protecting systems from CVE-2018-1755 is crucial to maintaining security.
Immediate Steps to Take
- Apply official fixes provided by IBM to address the vulnerability.
- Ensure that Liberty is not configured to allow access on non-secure ports.
Long-Term Security Practices
- Regularly monitor and update security configurations for WebSphere Application Server Liberty.
- Implement secure authentication methods and protocols to prevent unauthorized access.
Patching and Updates
- Stay informed about security updates and patches released by IBM to address vulnerabilities like CVE-2018-1755.