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.
BROWSER-IE Microsoft Internet Explorer memory corruption attempt
This rule looks for a certain combination of JavaScript objects being used to abuse a memory corruption vulnerability in Microsoft Internet Explorer that could lead to remote code execution on a victim machine.
This rule alerts when an attacker attempts to exploit CVE-2021-26411.
No public information
No known false positives
Cisco Talos Intelligence Group
No rule groups
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-2021-26411 |
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Tactic: Execution
Technique: User Execution
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org