CVE-2018-1048 : Security Advisory and Response
Learn about CVE-2018-1048, a vulnerability in the AJP connector of Undertow in Jboss EAP 7.1.0.GA that enables path traversal and unauthorized access to sensitive information. Find mitigation steps and patching recommendations here.
A vulnerability in the AJP connector within the Undertow component, as shipped in Jboss EAP 7.1.0.GA, could allow attackers to perform path traversal and access sensitive information from local files.
Understanding CVE-2018-1048
This CVE involves a security flaw in the Undertow component of Jboss EAP 7.1.0.GA that enables attackers to encode certain characters in URLs, potentially leading to path traversal attacks.
What is CVE-2018-1048?
The vulnerability in the AJP connector of Undertow allows attackers to encode forward and backward slashes in URLs, potentially leading to path traversal and exposure of sensitive data.
The Impact of CVE-2018-1048
Exploiting this vulnerability could result in unauthorized access to sensitive information stored in local files, posing a risk to the confidentiality and integrity of the affected systems.
Technical Details of CVE-2018-1048
Vulnerability Description
The vulnerability arises from the lack of utilization of the ALLOW_ENCODED_SLASH option in the AJP connector of Undertow, allowing attackers to encode slashes in URLs.
Affected Systems and Versions
- Product: Undertow as shipped in Jboss EAP 7.1.0.GA
- Vendor: Red Hat, Inc.
- Version: 7.1.0.GA
Exploitation Mechanism
Attackers can exploit this vulnerability by encoding forward and backward slashes in URLs, potentially leading to path traversal and unauthorized access to sensitive information.
Mitigation and Prevention
Immediate Steps to Take
- Apply the patches provided by Red Hat to address the vulnerability.
- Monitor for any unauthorized access or unusual file activities on the affected systems.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
- Conduct regular security assessments and penetration testing to identify and address security weaknesses.
Patching and Updates
It is crucial to apply the patches released by Red Hat to remediate the vulnerability and enhance the security of the affected systems.