CVE-2018-3835 : What You Need to Know
Learn about CVE-2018-3835 affecting Walt Disney Animation Studios PTEX version 2.2. Discover the impact, technical details, and mitigation steps for this high-severity vulnerability.
Version 2.2 of the PTEX application, known as Per Face Texture mapping, contains a vulnerability that allows for an exploitable out-of-bounds write. This vulnerability arises when reading a file without sufficient parameter verification, potentially leading to a buffer overflow and unauthorized code execution.
Understanding CVE-2018-3835
This CVE-2018-3835 vulnerability affects the Walt Disney Animation Studios PTEX application, with version 2.2 being specifically impacted.
What is CVE-2018-3835?
CVE-2018-3835 is an exploitable out-of-bounds write vulnerability in the PTEX application. It occurs due to inadequate parameter validation when reading a file, enabling a buffer overflow and potential execution of unauthorized code.
The Impact of CVE-2018-3835
The vulnerability has a CVSS v3.0 base score of 8.8, indicating a high severity level. Its impact includes high confidentiality, integrity, and availability impacts, with low attack complexity and network-based attack vector.
Technical Details of CVE-2018-3835
Version 2.2 of the PTEX application is susceptible to this vulnerability.
Vulnerability Description
The vulnerability allows for an exploitable out-of-bounds write when reading files without proper parameter verification, potentially leading to a buffer overflow and unauthorized code execution.
Affected Systems and Versions
- Product: Walt Disney Animation Studios PTEX
- Vendor: Talos
- Version: 2.2
Exploitation Mechanism
The vulnerability arises from inadequate parameter validation during file reading, enabling a buffer overflow that can be exploited to execute unauthorized code.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of CVE-2018-3835.
Immediate Steps to Take
- Apply security patches or updates provided by the vendor.
- Implement proper input validation mechanisms to prevent buffer overflows.
- Monitor and restrict network access to vulnerable systems.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify vulnerabilities.
- Educate developers on secure coding practices to prevent similar issues in the future.
Patching and Updates
- Stay informed about security advisories and updates from the vendor.
- Regularly update and patch software to address known vulnerabilities.