CVE-2009-1089
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 · uneditedAbsolute path traversal vulnerability in upload.php in Rapidleech rev.36 and earlier allows remote attackers to read arbitrary files via a base64-encoded absolute path in the filename parameter.
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 confidenceAbsolute path traversal vulnerability in upload.php in Rapidleech rev.36 and earlier allows remote attackers to read arbitrary files on the server by providing a base64-encoded absolute path in the filename parameter. The application fails to properly validate/sanitize this input before using it in file operations, enabling an attacker to escape the intended directory and access sensitive system files.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= rev36CVSS 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
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- None
- Availability
- None
AV:N/AC:L/Au:N/C:P/I:N/A:N
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 Rapidleech installation existsLocate the Rapidleech application directory on the server by searching for characteristic files such as index.php, config.php, or a folder named 'rapidleech'. Use file system search commands like 'find /var/www -name "index.php" -path "*rapidleech*"' or similar.Affected if Rapidleech is found installed on the server
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Identify the Rapidleech revision versionOpen the main Rapidleech index.php or a known version file and look for a revision number, version string, or build identifier. Common locations include a version.php file, the footer in index.php, or a CHANGELOG file.Affected if The revision number is 36 or lower, or the version is otherwise indicated as rev36 or earlier
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Verify upload.php is present and accessibleCheck for the existence of upload.php within the Rapidleech directory. Use commands like 'ls -la [rapidleech_path]/upload.php' or verify via web server access logs if the file has been requested.Affected if upload.php exists in the Rapidleech installation directory
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Check if filename parameter accepts base64-encoded input without validationExamine the upload.php source code for the handling of the 'filename' parameter. Look for base64 decoding operations (such as base64_decode) applied to user input without subsequent path validation, and verify there is no check blocking absolute paths or path traversal sequences (such as '../', absolute paths starting with '/').Affected if The code base64-decodes the filename parameter and uses the result in file operations without validating that it does not contain absolute paths or traversal sequences
The environment is affected if Rapidleech rev36 or earlier is installed with upload.php present and the filename parameter accepts base64-encoded absolute paths without validation.
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 dataUpgrade to a patched version of Rapidleech that properly validates and sanitizes the filename parameter, rejecting base64-encoded paths and enforcing path restrictions. If no upgrade is available, implement input validation that blocks path traversal sequences and rejects absolute path inputs.
- Consultation2.0 h
- Implementation3.0 h
- Testing3.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2009-1089 — 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-2009-1089 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
- No weaponised exploit code, or anything meant to cause harm
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