CVE-2018-1000844 : Exploit Details and Defense Strategies
Learn about CVE-2018-1000844 affecting Square Open Source Retrofit version with an XXE vulnerability in the JAXB library. Find out the impact, affected systems, exploitation, and mitigation steps.
Square Open Source Retrofit version has a vulnerability in the JAXB library, allowing for XML External Entity (XXE) attacks. This issue has been fixed in a later commit.
Understanding CVE-2018-1000844
This CVE involves a vulnerability in the JAXB library of Square Open Source Retrofit version.
What is CVE-2018-1000844?
The Square Open Source Retrofit version contains an XML External Entity (XXE) vulnerability in the JAXB library. Exploiting this flaw could enable attackers to remotely access files or perform Server-Side Request Forgery (SSRF) attacks.
The Impact of CVE-2018-1000844
- Remote file access from the system
- Potential for Server-Side Request Forgery (SSRF) attacks
Technical Details of CVE-2018-1000844
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability in the JAXB library of Square Open Source Retrofit version allows for XXE attacks, potentially leading to unauthorized file access and SSRF.
Affected Systems and Versions
- Affected: Square Open Source Retrofit version
- Versions: Prior to commit 4a693c5aeeef2be6c7ecf80e7b5ec79f6ab59437
Exploitation Mechanism
Attackers can exploit the XXE vulnerability to read files remotely or conduct SSRF attacks.
Mitigation and Prevention
Protect your systems from CVE-2018-1000844 with these measures.
Immediate Steps to Take
- Update to a version after commit 4a693c5aeeef2be6c7ecf80e7b5ec79f6ab59437
- Monitor for any unusual file access or SSRF attempts
Long-Term Security Practices
- Regularly update software to the latest versions
- Implement secure coding practices to prevent XXE vulnerabilities
Patching and Updates
Ensure all systems are patched with the fix implemented after commit 4a693c5aeeef2be6c7ecf80e7b5ec79f6ab59437.