SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.
SERVER-WEBAPP Advantech iView DeviceTreeTable directory traversal attempt
The rule alerts on crafted 'filename' parameters in requests to the iView network servlet invoking the "exportTaskMgrReport" method of the "DeviceTreeTable" class.
This rule fires upon attempt to exploit a directory traversal vulnerability in Advantech iView (CVE-2020-16245).
No public information
No known false positives
Cisco Talos Intelligence Group
No rule groups
Directory Traversal
A Directory Traversal attack targets HTTP traffic and allows the attacker to access directories outside the applications own, potentially exposing sensitive system files to leakage or overwriting. This is also known as Directory Climbing, Path Traversal, or Backtracking. An alert on this kind of attack indicates a vulnerability in security validation of user input that allows a "traverse to parent directory" or "../" command to pass through. Protect your site by filtering all user input, removing any characters but the allowed data.
CVE-2020-16245 |
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Tactic: Execution
Technique: Execution through API
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org