CVE-2017-5400 : What You Need to Know
Learn about CVE-2017-5400, a vulnerability in Firefox and Thunderbird versions less than 52 and 45.8, enabling memory corruption attacks by bypassing ASLR and DEP protections. Find mitigation steps and prevention measures here.
A vulnerability in Firefox and Thunderbird versions less than 52 and 45.8 respectively, allows for memory corruption attacks by bypassing ASLR and DEP protections.
Understanding CVE-2017-5400
This CVE involves a JIT-spray technique targeting asm.js and heap spray method, enabling the circumvention of ASLR and DEP protections.
What is CVE-2017-5400?
The vulnerability in Firefox and Thunderbird versions less than 52 and 45.8 respectively allows for memory corruption attacks by bypassing ASLR and DEP protections.
The Impact of CVE-2017-5400
The combination of JIT-spray targeting asm.js and heap spray method can lead to memory corruption attacks by bypassing ASLR and DEP protections.
Technical Details of CVE-2017-5400
Vulnerability Description
The vulnerability arises from a JIT-spray technique targeting asm.js and heap spray method, enabling the circumvention of ASLR and DEP protections.
Affected Systems and Versions
- Firefox versions less than 52
- Firefox ESR versions less than 45.8
- Thunderbird versions less than 52
- Thunderbird versions less than 45.8
Exploitation Mechanism
The vulnerability allows attackers to bypass ASLR and DEP protections, leading to potential memory corruption attacks.
Mitigation and Prevention
Immediate Steps to Take
- Update Firefox and Thunderbird to versions 52 and 45.8 respectively.
- Implement security patches provided by Mozilla.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Enable security features like ASLR and DEP to mitigate similar vulnerabilities.
Patching and Updates
Apply security updates and patches released by Mozilla to address the vulnerability.