CVE-2019-11707 : Vulnerability Insights and Analysis
Learn about CVE-2019-11707, a type confusion vulnerability in Mozilla products allowing targeted attacks. Find out how to mitigate and prevent exploitation.
A type confusion vulnerability in Mozilla products allows for targeted attacks exploiting weaknesses in JavaScript object manipulation.
Understanding CVE-2019-11707
What is CVE-2019-11707?
Type confusion can occur when manipulating JavaScript objects due to issues in Array.pop, leading to exploitable crashes.
The Impact of CVE-2019-11707
This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2, enabling attackers to cause system crashes.
Technical Details of CVE-2019-11707
Vulnerability Description
A type confusion vulnerability arises from problems in the Array.pop function, allowing for targeted attacks in the wild.
Affected Systems and Versions
- Firefox ESR < 60.7.1
- Firefox < 67.0.3
- Thunderbird < 60.7.2
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating JavaScript objects, specifically through the Array.pop function.
Mitigation and Prevention
Immediate Steps to Take
- Update affected products to versions above the specified vulnerable versions.
- Monitor for any unusual system crashes or behavior that could indicate exploitation.
Long-Term Security Practices
- Regularly update software to the latest versions to patch known vulnerabilities.
- Implement secure coding practices to minimize the risk of similar vulnerabilities.
Patching and Updates
Apply patches provided by Mozilla to address the type confusion vulnerability in affected products.