CVE-2019-10877 : Vulnerability Insights and Analysis
Learn about CVE-2019-10877, an integer overflow vulnerability in Teeworlds 0.7.2 that can lead to a buffer overflow. Find out the impact, affected systems, exploitation method, and mitigation steps.
An integer overflow in the CMap::Load() function within Teeworlds 0.7.2 can lead to a buffer overflow due to mishandling of width and height multiplication.
Understanding CVE-2019-10877
What is CVE-2019-10877?
In Teeworlds 0.7.2, an integer overflow in CMap::Load() in engine/shared/map.cpp can result in a buffer overflow due to mishandling of width and height multiplication.
The Impact of CVE-2019-10877
The vulnerability can be exploited to trigger a buffer overflow, potentially leading to arbitrary code execution or denial of service.
Technical Details of CVE-2019-10877
Vulnerability Description
The issue arises from an integer overflow in the CMap::Load() function, leading to a buffer overflow due to incorrect handling of width and height multiplication.
Affected Systems and Versions
- Teeworlds version 0.7.2
Exploitation Mechanism
- An attacker can craft a malicious map file to trigger the integer overflow, potentially leading to a buffer overflow.
Mitigation and Prevention
Immediate Steps to Take
- Update Teeworlds to a patched version that addresses the integer overflow vulnerability.
- Avoid opening map files from untrusted sources.
Long-Term Security Practices
- Regularly update software to the latest versions to patch known vulnerabilities.
- Implement secure coding practices to prevent integer overflow vulnerabilities.
Patching and Updates
- Apply patches provided by Teeworlds to fix the integer overflow issue.