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.
This rule looks for attempts to exploit a vulnerability in the jscript9 DLL which is a part of Microsoft Internet Explorer. The vulnerability is labelled CVE-2020-0674. Successful attacks can lead to remote code being executed on the victim machine.
What To Look For
This alert occurs when an attempt to exploit CVE-2020-0674 is detected.
No public information
No known false positives
Cisco Talos Intelligence Group
MITRE ATT&CK Framework
Technique: User Execution
For reference, see the MITRE ATT&CK vulnerability types here:
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
CVE-2020-0674A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0673, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713, CVE-2020-0767.
||Ease of Access||HIGH