security: prevent path traversal in download page#2051
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createkr wants to merge 1 commit intoScottcjn:mainfrom
Open
security: prevent path traversal in download page#2051createkr wants to merge 1 commit intoScottcjn:mainfrom
createkr wants to merge 1 commit intoScottcjn:mainfrom
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Summary
This change hardens the standalone download page handler against path traversal and arbitrary file read attacks.
What changed
os.path.realpath()DOWNLOAD_DIRbefore serving contentWhy
The previous implementation joined attacker-controlled request paths directly with
DOWNLOAD_DIRand then opened the resulting path without containment checks. Requests such asGET /../../etc/passwdcould escape the intended directory and read arbitrary local files.Scope
node/rustchain_download_page.pyonlyCloses #2050
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RTC1d48d848a5aa5ecf2c5f01aa5fb64837daaf2f35