CVE-2020-13520 : What You Need to Know
Learn about CVE-2020-13520, a high-severity memory corruption vulnerability in Pixar OpenUSD 20.05 that could lead to remote code execution. Find mitigation steps and prevention measures here.
An out of bounds memory corruption vulnerability exists in Pixar OpenUSD 20.05, potentially leading to remote code execution.
Understanding CVE-2020-13520
This CVE involves a memory corruption vulnerability in Pixar OpenUSD 20.05 that could allow an attacker to execute remote code by exploiting a specially crafted file.
What is CVE-2020-13520?
The vulnerability arises from the incorrect handling of paths in binary USD files by Pixar OpenUSD 20.05. By manipulating a malformed file, an attacker can trigger memory corruption, leading to potential remote code execution.
The Impact of CVE-2020-13520
The impact of this vulnerability is rated as high, with a CVSS base score of 8.8. It poses a significant risk to confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2020-13520
Pixar OpenUSD 20.05 is susceptible to an out of bounds memory corruption vulnerability, allowing for potential remote code execution.
Vulnerability Description
The vulnerability stems from the improper reconstruction of paths in binary USD files, enabling attackers to trigger memory corruption through a specially crafted file.
Affected Systems and Versions
- Product: Pixar
- Version: Pixar OpenUSD 20.05 (tested in Apple macOS Catalina 10.15.3)
Exploitation Mechanism
To exploit this vulnerability, an attacker needs to provide a victim with a specifically crafted malformed file, which, when accessed, triggers the out of bounds memory modification.
Mitigation and Prevention
Immediate Steps to Take:
- Avoid opening or accessing files from untrusted or unknown sources.
- Implement file type and content validation mechanisms.
- Apply the latest security patches and updates for Pixar OpenUSD.
Long-Term Security Practices:
- Conduct regular security assessments and audits.
- Educate users on safe file handling practices.
- Monitor network traffic for any suspicious activity.
- Consider implementing additional security layers such as intrusion detection systems.
Patching and Updates
Ensure that all systems running Pixar OpenUSD 20.05 are updated with the latest patches to mitigate the risk of exploitation.