SID 1:54767

Report a false positive

Rule Category

SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.

Alert Message

SERVER-WEBAPP vBulletin template rendering arbitrary PHP code execution attempt

Rule Explanation

This rule looks for PHP code execution attempts within HTTP traffic going towards vBulletin.

What To Look For

This rule fires when an attempt to exploit CVE-2019-16759 against vBulletin is detected.

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-2019-16759 CVE-2020-17496

Additional Links

blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/

Rule Vulnerability

Command Injection

Command Injection attacks target applications that allow unsafe user-supplied input. Attackers transmit this input via forms, cookies, HTTP headers, etc. and exploit the applications permissions to execute system commands without injecting code.

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.

CVE-2019-16759

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CVE-2020-17496

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MITRE ATT&CK Framework

Tactic: Initial Access

Technique: Exploit Public-Facing Application

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