SID 1:63327

Report a false positive

Rule Category

BROWSER-CHROME -- Snort has detected suspicious traffic known to exploit vulnerabilities present in the Chrome browser. These rules are separate from the "browser-webkit" category; while it uses the Webkit rendering engine, there's a lot of other features to create a secondary Chrome category.

Alert Message

BROWSER-CHROME Google Chrome V8 Engine JSStackCheck memory corruption attempt

Rule Explanation

This rule looks for a specific pattern of JavaScript object and function call that would indicate an attempt to type confusion exploit is being attempted.

What To Look For

This rule alerts when Snort detects an attempt to exploit a JavaScript type confusion vulnerability in Google Chrome.

Known Usage

Public information/Proof of Concept available

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

MITRE::ATT&CK Framework::Enterprise::Initial Access::Drive-by Compromise

Rule Categories::Browser::Chrome

CVE

CVE-2023-3420

Additional Links

github.blog/2023-09-26-getting-rce-in-chrome-with-incorrect-side-effect-in-the-jit-compiler/

Rule Vulnerability

Memory Corruption

Memory Corruption is any vulnerability that allows the modification of the content of memory locations in a way not intended by the developer. Memory corruption results are inconsistent; they could lead to fatal errors and system crashes or data leakage; some have no effect at all.

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2023-3420
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