Potential Local File Read Vulnerability In JVM Based Application

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.

Sigma rule (View on GitHub)

 1title: Potential Local File Read Vulnerability In JVM Based Application
 2id: e032f5bc-4563-4096-ae3b-064bab588685
 3status: test
 4description: |
 5    Detects potential local file read vulnerability in JVM based apps.
 6    If the exceptions are caused due to user input and contain path traversal payloads then it's a red flag.    
 7references:
 8    - https://www.wix.engineering/post/threat-and-vulnerability-hunting-with-application-server-error-logs
 9author: Moti Harmats
10date: 2023-02-11
11tags:
12    - attack.initial-access
13    - attack.t1190
14logsource:
15    category: application
16    product: jvm
17    definition: 'Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)'
18detection:
19    keywords_local_file_read:
20        '|all':
21            - 'FileNotFoundException'
22            - '/../../..'
23    condition: keywords_local_file_read
24falsepositives:
25    - Application bugs
26level: high

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