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Advisories

Zipline before 4.7.0 Race Condition in Invite and Quota Limits

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Severity
medium
Date
Affecting

  • zipline >= 0, < 4.7.0

CWE
  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
CVSS
6.0
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Credit
tonghuaroot
Description
Zipline before 4.7.0 contains a race condition vulnerability that allows users to bypass invitation usage limits, upload storage quotas, and shortened-URL quotas through concurrent requests. Attackers can send overlapping registration, upload, or URL creation requests that pass checks against stale state, creating extra accounts and exceeding administrator-configured resource quotas.

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