Rule Category

FILE-FLASH -- Snort has detected suspicious traffic via the Adobe Flash Player. Flash is a common target of code execution, overflow, DoS, and memory corruption attacks in particular, via swifs, action scripts, etc. Many networks block Flash altogether; the application will be deprecated in 2020.

Alert Message

FILE-FLASH Adobe Flash Player worker shared object use-after-free attempt

Rule Explanation

This rule identifies a specifically crafted flash file sent, which will trigger a use after free case in Flash Player. This rule is designed for the decompressed version of a flash file that may be seen in an attack.

What To Look For

This event is triggered when a specifically crafted flash file is sent causing a use after free condition in Flash Player.

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

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

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2014-0502
Loading description

MITRE ATT&CK Framework

Tactic: Execution

Technique: Exploitation for Client Execution

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