CVE-2024-45256
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAn arbitrary file write issue in the exfiltration endpoint in BYOB (Build Your Own Botnet) 2.0 allows attackers to overwrite SQLite databases and bypass authentication via an unauthenticated HTTP request with a crafted parameter. This occurs in file_add in api/files/routes.py.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceArbitrary file write vulnerability in BYOB 2.0's file_add function (api/files/routes.py) allows unauthenticated attackers to overwrite SQLite databases via crafted HTTP request parameters in the exfiltration endpoint, potentially enabling authentication bypass.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm BYOB installation and versionLocate the BYOB installation directory and check the version file or package metadata to verify the installed version is 2.0Affected if The installed version is BYOB 2.0 or earlier without patches
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Verify file_add endpoint is exposedInspect api/files/routes.py and check if the file_add route is registered without authentication middleware or decoratorsAffected if The file_add endpoint can be accessed without authentication credentials
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Test arbitrary file write capabilitySend a crafted HTTP POST request to the exfiltration endpoint with a manipulated path parameter pointing to an arbitrary location (e.g., ../../etc/passwd or a SQLite database file)Affected if The application accepts and processes file paths outside the intended upload directory
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Check SQLite database overwriteabilityIdentify the path to SQLite databases used by the application and attempt to overwrite them via the file_add endpoint with manipulated parametersAffected if SQLite database files can be overwritten through the vulnerable endpoint
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Inspect exfiltration endpoint configurationReview the endpoints.py or routes configuration to confirm the exfiltration endpoint exists and accepts unauthenticated requests with manipulated parametersAffected if The exfiltration endpoint is accessible without authentication and allows path manipulation
A user is affected if running BYOB version 2.0 with the file_add endpoint exposed to unauthenticated access and allowing arbitrary file path parameters in requests.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImplement proper authentication enforcement and strict input validation/sanitization in the file_add function to restrict file write operations to authorized paths and prevent path traversal.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,224.
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Free · runs locallyCheck whether your project pulls in CVE-2024-45256 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-45256 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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