CVE-2020-35460 : What You Need to Know
Learn about CVE-2020-35460, a vulnerability in Packwood MPXJ before 8.3.5 allowing directory traversal, potentially leading to unauthorized file writing. Find out how to mitigate this security risk.
Packwood MPXJ before 8.3.5 allows directory traversal in the zip stream handler flow, potentially leading to the writing of files to arbitrary locations.
Understanding CVE-2020-35460
This CVE involves a vulnerability in Packwood MPXJ that allows directory traversal, posing a risk of unauthorized file writing.
What is CVE-2020-35460?
The vulnerability in common/InputStreamHelper.java in Packwood MPXJ before 8.3.5 enables directory traversal in the zip stream handler flow, which could result in files being written to unauthorized locations.
The Impact of CVE-2020-35460
The exploitation of this vulnerability could lead to unauthorized modification or deletion of files, potentially compromising the integrity and confidentiality of data.
Technical Details of CVE-2020-35460
Packwood MPXJ before version 8.3.5 is susceptible to a directory traversal vulnerability that allows writing files to arbitrary locations.
Vulnerability Description
The issue arises from improper handling of zip stream operations, enabling an attacker to traverse directories and write files to unintended locations.
Affected Systems and Versions
- Affected Product: Packwood MPXJ
- Vulnerable Versions: Before 8.3.5
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating zip stream operations to traverse directories and write files to locations outside the intended scope.
Mitigation and Prevention
To address CVE-2020-35460, immediate steps and long-term security practices are crucial.
Immediate Steps to Take
- Update Packwood MPXJ to version 8.3.5 or newer to mitigate the vulnerability.
- Implement proper input validation to prevent directory traversal attacks.
Long-Term Security Practices
- Regularly monitor and audit file write operations to detect unauthorized activities.
- Educate developers on secure coding practices to prevent similar vulnerabilities in the future.
Patching and Updates
- Stay informed about security alerts and updates from Packwood MPXJ to apply patches promptly and enhance system security.