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48 lines
1.3 KiB
YAML
48 lines
1.3 KiB
YAML
id: privesc-flock
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info:
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name: Flock - Privilege Escalation
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author: daffainfo
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severity: high
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description: |
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flock is a command-line utility in Unix-like operating systems that is used to manage file locks. It can be used to synchronize access to a file among multiple processes, preventing conflicts and ensuring data integrity. Additionally, flock can be used in shell scripts to control access to critical sections of code.
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reference:
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- https://gtfobins.github.io/gtfobins/flock/
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metadata:
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verified: true
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tags: code,linux,flock,privesc
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self-contained: true
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code:
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- engine:
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- sh
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- bash
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source: |
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whoami
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- engine:
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- sh
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- bash
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source: |
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flock -u / whoami
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- engine:
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- sh
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- bash
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source: |
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sudo flock -u / whoami
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matchers-condition: and
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matchers:
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- type: word
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part: code_1_response
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words:
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- "root"
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negative: true
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- type: dsl
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dsl:
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- 'contains(code_2_response, "root")'
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- 'contains(code_3_response, "root")'
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condition: or
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# digest: 4b0a00483046022100eaf218a03c71c87c400be7cf0c1a081838f0f82fb83278cd47bb1d442dc806f7022100a9c552cfce0ef36e1b5667fbe535aaf721f8bccb6b7128b9bf15ae5aadfb36f2:922c64590222798bb761d5b6d8e72950 |