CVE-2018-5093 : Security Advisory and Response
Learn about CVE-2018-5093, a vulnerability in Firefox versions prior to 58 that could be exploited by attackers through a heap buffer overflow during Memory/Table resizing in WebAssembly.
A vulnerability in Firefox versions prior to 58 could allow an attacker to exploit a heap buffer overflow during Memory/Table resizing in WebAssembly, potentially leading to a crash.
Understanding CVE-2018-5093
This CVE involves a specific vulnerability in Firefox that could be exploited due to a heap buffer overflow issue during Memory/Table resizing in WebAssembly.
What is CVE-2018-5093?
The resizing of Memory/Table in WebAssembly can trigger a vulnerability related to heap buffer overflow, potentially leading to a crash that could be exploited by attackers. This vulnerability affects Firefox versions prior to 58.
The Impact of CVE-2018-5093
The vulnerability could allow malicious actors to exploit a heap buffer overflow in WebAssembly during Memory/Table resizing, potentially resulting in a crash that could be leveraged for further attacks.
Technical Details of CVE-2018-5093
This section provides more in-depth technical information about the CVE.
Vulnerability Description
A heap buffer overflow vulnerability exists in Firefox versions prior to 58, specifically during Memory/Table resizing in WebAssembly, which could be exploited by attackers.
Affected Systems and Versions
- Product: Firefox
- Vendor: Mozilla
- Versions Affected: < 58
Exploitation Mechanism
The vulnerability arises during Memory/Table resizing in WebAssembly, allowing attackers to potentially trigger a heap buffer overflow and exploit the system.
Mitigation and Prevention
To address CVE-2018-5093, users and organizations can take the following steps:
Immediate Steps to Take
- Update Firefox to version 58 or newer to mitigate the vulnerability.
- Regularly monitor security advisories from Mozilla and apply patches promptly.
Long-Term Security Practices
- Implement secure coding practices to prevent buffer overflow vulnerabilities.
- Conduct regular security assessments and audits to identify and address potential vulnerabilities.
Patching and Updates
- Stay informed about security updates and patches released by Mozilla for Firefox.