CVE-2020-13995 : What You Need to Know

U.S. Air Force Sensor Data Management System extract75 has a buffer overflow vulnerability that allows for code execution. This overflow in a global variable can lead to a Write-What-Where outcome, enabling an attacker to gain control of the instruction pointer.

Understanding CVE-2020-13995

This CVE involves a buffer overflow vulnerability in the U.S. Air Force Sensor Data Management System extract75, potentially leading to arbitrary code execution.

What is CVE-2020-13995?

The vulnerability in the sBuffer global variable allows an attacker to write beyond its boundaries, affecting critical global variables until reaching specific pointers, ultimately enabling control over the instruction pointer.

The Impact of CVE-2020-13995

The exploit can result in an attacker gaining control of the instruction pointer, potentially leading to unauthorized code execution and compromising the system's integrity.

Technical Details of CVE-2020-13995

This section provides more technical insights into the vulnerability.

Vulnerability Description

The buffer overflow in the sBuffer global variable allows an attacker to write beyond its limits, affecting critical system pointers and enabling arbitrary code execution.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

The overflow in sBuffer leads to a Write-What-Where outcome
Attacker controls pointers like DES_info or image_info
Arbitrary write is achieved through manipulating these pointers with data from an untrusted NITF file

Mitigation and Prevention

Protecting systems from CVE-2020-13995 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply relevant patches and updates promptly
Implement strict input validation to prevent buffer overflows
Monitor system logs for any unusual activities

Long-Term Security Practices

Conduct regular security audits and code reviews
Train developers on secure coding practices
Employ defense-in-depth strategies to mitigate future vulnerabilities

Patching and Updates

Stay informed about security advisories and updates
Regularly update software and apply patches to address known vulnerabilities