HTTP: Mozilla Firefox IonMonkey JIT Type Confusion
This signature detects attempts to exploit a known vulnerability against Mozilla IonMonkey. A successful attack can lead to arbitrary code execution.
Extended Description
Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.
Affected Products
Mozilla thunderbird
References
CVE: CVE-2019-9813
Short Name
HTTP:STC:MOZILLA:IONMONKEY-TC
Severity
Major
Recommended
False
Recommended Action
None
Category
HTTP
Keywords
CVE-2019-9791 CVE-2019-9813 Confusion Firefox IonMonkey JIT Mozilla Type
Release Date
06/16/2020
Supported Platforms
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3792
False Positive
Unknown
Vendors
Mozilla
CVSS Score
7.5
6.8