ID:6130 - Exploit for Memory corruption in Mozilla Firefox - CVE-2019-9792

 
Main Vulnerability Database Exploits ID:6130 - Exploit for Memory corruption in Mozilla Firefox - CVE-2019-9792

ID:6130 - Exploit for Memory corruption in Mozilla Firefox - CVE-2019-9792

Published: June 17, 2021


Vulnerability identifier: #VU18031
Vulnerability risk: High
CVE-ID: CVE-2019-9792
CWE-ID: CWE-119
Exploitation vector: Remote access
Vulnerable software:
Mozilla Firefox

Link to public exploit:


Vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the IonMonkey just-in-time (JIT) compiler that leaks an internal JS_OPTIMIZED_OUT magic value to the running script during a bailout. A remote attacker can trick the victim to visit a specially crafted web page, trigger memory corruption and execute arbitrary code on the system with privileges of the current user.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Remediation

Install updates from vendor's website.