SID 1:45877

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 Internet Explorer scripting engine memory corruption attempt

Rule Explanation

This event is generated when a user after free condition is used to trigger memory corruption in Internet Explorer

What To Look For

This event is generated when a user after free condition is used to trigger memory corruption in Internet Explorer

Known Usage

Public information/Proof of Concept available

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

CVE-2018-0935 CVE-2018-8353

Additional Links

portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-0935

portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-8353

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-2018-0935

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CVE-2018-8353

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MITRE ATT&CK Framework

Tactic: Initial Access

Technique: Phishing

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