CVE-2018-17169 : Exploit Details and Defense Strategies
Learn about CVE-2018-17169 affecting PrinterOn version 4.1.4 and earlier. Understand the XXE vulnerability allowing SSRF attacks and file access. Find mitigation steps and prevention measures.
PrinterOn version 4.1.4 and earlier suffer from an XML external entity (XXE) vulnerability, enabling authorized remote users to carry out server-side request forgery (SSRF) attacks or access arbitrary files.
Understanding CVE-2018-17169
PrinterOn version 4.1.4 and earlier are affected by an XXE vulnerability that can be exploited by remote authenticated users.
What is CVE-2018-17169?
An XML external entity (XXE) vulnerability in PrinterOn version 4.1.4 and lower allows remote authenticated users to read arbitrary files or conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request.
The Impact of CVE-2018-17169
- Authorized remote users can execute SSRF attacks
- Access to arbitrary files is possible
Technical Details of CVE-2018-17169
PrinterOn version 4.1.4 and earlier are susceptible to XXE attacks.
Vulnerability Description
The vulnerability allows remote authenticated users to exploit a specially crafted DTD in an XML request to carry out SSRF attacks or access arbitrary files.
Affected Systems and Versions
- Product: PrinterOn
- Vendor: N/A
- Versions affected: 4.1.4 and earlier
Exploitation Mechanism
The vulnerability is exploited by utilizing a specially crafted DTD within an XML request.
Mitigation and Prevention
Immediate Steps to Take:
- Update to the latest version of PrinterOn
- Implement strict input validation to prevent XXE attacks
Long-Term Security Practices
- Regular security assessments and audits
- Employee training on secure coding practices
Patching and Updates
- Apply security patches promptly