Rule Category

BROWSER-IE -- Snort has detected traffic known to exploit vulnerabilities present in the Internet Explorer browser, or products that have the Trident or Tasman engines.

Alert Message

BROWSER-IE Google Chrome LinkToTextMenuObserver heap use-after-free attempt

Rule Explanation

Rule alerts on malicious JavaScript which can cause a use-after-free in Google Chrome.

What To Look For

Triggers when malicious Javascript exploit code is seen across the wire which can cause a use-after-free in Google Chrome.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic: Execution

Technique: Scripting

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

Additional Links

Rule Vulnerability

Use After Free

Use After Free (UAF) attacks target computer memory flaws to corrupt the memory execute code. The name refers to attempts to use memory after it has been freed, which can cause a program to crash under normal circumstances, or result in remote code execution in a successful attack.

CVE Additional Information