CVE-2020-5902 F5 BIG-IP Exploitation Attempt

Description

Detects the exploitation attempt of the vulnerability found in F5 BIG-IP and described in CVE-2020-5902

Query · sigma

selection_base:
  cs-uri-query|contains:
  - /tmui/
  - /hsqldb
selection_traversal:
  cs-uri-query|contains:
  - ..;/
  - .jsp/..
condition: selection_base and selection_traversal

Known false positives

  • Unknown
Raw source CVE-2020-5902 F5 BIG-IP Exploitation Attempt · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: CVE-2020-5902 F5 BIG-IP Exploitation Attempt
id: 44b53b1c-e60f-4a7b-948e-3435a7918478
status: test
description: Detects the exploitation attempt of the vulnerability found in F5 BIG-IP and described in CVE-2020-5902
references:
    - https://support.f5.com/csp/article/K52145254
    - https://www.ptsecurity.com/ww-en/about/news/f5-fixes-critical-vulnerability-discovered-by-positive-technologies-in-big-ip-application-delivery-controller/
    - https://twitter.com/yorickkoster/status/1279709009151434754
    - https://www.criticalstart.com/f5-big-ip-remote-code-execution-exploit/
author: Florian Roth (Nextron Systems)
date: 2020-07-05
modified: 2023-01-02
tags:
    - attack.initial-access
    - attack.t1190
    - cve.2020-5902
    - detection.emerging-threats
logsource:
    category: webserver
detection:
    selection_base:
        cs-uri-query|contains:
            - '/tmui/'
            - '/hsqldb'
    selection_traversal:
        cs-uri-query|contains:
            - '..;/'
            - '.jsp/..'
    condition: selection_base and selection_traversal
falsepositives:
    - Unknown
level: critical

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