CVE-2019-11760 : What You Need to Know

A stack buffer overflow vulnerability in nrappkit during WebRTC signaling could lead to crashes and potential exploitability in Firefox, Thunderbird, and Firefox ESR.

Understanding CVE-2019-11760

This CVE involves a stack buffer overflow issue in WebRTC networking, affecting various Mozilla products.

What is CVE-2019-11760?

The vulnerability in nrappkit could cause a stack buffer overflow during WebRTC signaling, potentially resulting in exploitable crashes in Firefox, Thunderbird, and Firefox ESR.

The Impact of CVE-2019-11760

The vulnerability could lead to crashes and potential exploitability in certain scenarios, impacting the stability and security of affected Mozilla products.

Technical Details of CVE-2019-11760

This section provides detailed technical information about the CVE.

Vulnerability Description

A fixed-size stack buffer overflow in nrappkit during WebRTC signaling could lead to exploitable crashes in Firefox, Thunderbird, and Firefox ESR.

Affected Systems and Versions

Firefox versions before 70
Thunderbird versions before 68.2
Firefox ESR versions before 68.2

Exploitation Mechanism

The vulnerability occurs due to an overflow in a stack buffer of fixed size during WebRTC signaling, potentially leading to exploitable crashes.

Mitigation and Prevention

Steps to address and prevent the CVE.

Immediate Steps to Take

Update affected products to versions 70 (or later) for Firefox, 68.2 (or later) for Thunderbird, and 68.2 (or later) for Firefox ESR.
Monitor vendor advisories for patches and security updates.

Long-Term Security Practices

Regularly update software to the latest versions to mitigate known vulnerabilities.
Implement secure coding practices to prevent buffer overflow vulnerabilities.

Patching and Updates

Apply patches provided by Mozilla promptly to address the stack buffer overflow vulnerability in nrappkit.