Potential Local File Read Vulnerability In JVM Based Application — Sigma Rule

Rule metadata and linked tags

Author: Moti Harmats. Source status: test; severity: high. Source dates: 2023-02-11 / not supplied.

{
  "category": "application",
  "product": "jvm",
  "definition": "Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 9b319b36081d8fee2c0353fa0b7f36942dd99067f7462218a559bba05233572e

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Potential Local File Read Vulnerability In JVM Based Application
id: e032f5bc-4563-4096-ae3b-064bab588685
status: test
description: |
    Detects potential local file read vulnerability in JVM based apps.
    If the exceptions are caused due to user input and contain path traversal payloads then it's a red flag.
references:
    - https://www.wix.engineering/post/threat-and-vulnerability-hunting-with-application-server-error-logs
author: Moti Harmats
date: 2023-02-11
tags:
    - attack.initial-access
    - attack.t1190
logsource:
    category: application
    product: jvm
    definition: 'Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)'
detection:
    keywords_local_file_read:
        '|all':
            - 'FileNotFoundException'
            - '/../../..'
    condition: keywords_local_file_read
falsepositives:
    - Application bugs
level: high

Original YAML and metadata in JSON

False positives

• Application bugs

Source references

• https://www.wix.engineering/post/threat-and-vulnerability-hunting-with-application-server-error-logs