CVE-2018-1103 : Security Advisory and Response
Learn about CVE-2018-1103 affecting Openshift Enterprise source-to-image before version 1.1.10. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Openshift Enterprise source-to-image before version 1.1.10 is vulnerable to improper validation of user input, allowing attackers to overwrite files outside the intended directory.
Understanding CVE-2018-1103
This CVE involves a vulnerability in Openshift Enterprise source-to-image versions prior to 1.1.10, which can be exploited to manipulate user input and execute unauthorized commands.
What is CVE-2018-1103?
The vulnerability in Openshift Enterprise source-to-image before version 1.1.10 allows attackers to deceive users into executing commands that copy files from a pod to the local system, enabling them to overwrite files outside the intended target directory.
The Impact of CVE-2018-1103
- CVSS Score: 6.1 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: High
- Integrity Impact: High
- User Interaction: Required
- Scope: Changed
Technical Details of CVE-2018-1103
Vulnerability Description
The vulnerability arises from improper validation of user input in Openshift Enterprise source-to-image before version 1.1.10, allowing attackers to manipulate commands and overwrite files outside the intended directory.
Affected Systems and Versions
- Affected Product: unsanitized paths in tar.go
- Affected Vendor: Openshift Enterprise
- Affected Version: source-to-image 1.1.10
Exploitation Mechanism
Attackers can exploit this vulnerability by tricking users into executing commands that copy files from a pod to the local system, enabling them to overwrite files outside the intended target directory.
Mitigation and Prevention
Immediate Steps to Take
- Update Openshift Enterprise to version 1.1.10 or later to mitigate the vulnerability.
- Educate users about the risks of executing commands from untrusted sources.
Long-Term Security Practices
- Implement strict input validation mechanisms to prevent command manipulation.
- Regularly monitor and audit file operations to detect unauthorized access.
Patching and Updates
- Apply security patches and updates provided by Openshift Enterprise to address this vulnerability.