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 Microsoft Edge memory corruption attempt

Rule Explanation

This rule alerts when an attacker attempts to exploit multiple Microsoft Edge javascript vulnerabilities

What To Look For

This rule looks for certain JavaScript artifacts used in exploitation of multiple CVEs

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

Additional Links

Rule Vulnerability

Buffer Overflow

Buffer Overflows occur when a memory location is filled past its expected boundaries. Computer attackers target systems without proper terminating conditions on buffers, which then write the additional information in other locations in memory, overwriting what is there. This could corrupt the data, making the system behave erratically or crash. The new information could include malicious executable code, which might be executed.

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2019-0680
Loading description
CVE-2019-0770
Loading description
CVE-2021-31959
Loading description

MITRE ATT&CK Framework

Tactic: Execution

Technique: Scripting

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