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Advisories

Zipline before 4.0.2 Predictable Filenames via Math.random State Recovery

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Severity
medium
Date
Affecting

  • zipline

CWE
  • CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
allc
Description
Zipline before 4.0.2 contains a predictable filename vulnerability that allows attackers to infer other users' upload filenames by recovering the Math.random generator state. Attackers with five consecutive gfycat-style filenames can reconstruct the random state to predict previous and future filenames until the instance restarts, exposing private uploads.

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