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Advisories

Vikunja before 2.6.0 Resource Exhaustion via Planka Migration

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severity
high
date
Affecting

  • vikunja >= 0, < 2.6.0

CWE
  • CWE-770 Allocation of Resources Without Limits or Throttling
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Zyy0530, Str1ckl4nd, 7thParkk
Description
Vikunja versions before 2.6.0 contain a resource exhaustion vulnerability in the Planka migrator that fails to enforce aggregate memory budgets during migration jobs. Authenticated attackers can submit migration requests pointing to attacker-controlled servers advertising numerous size-compliant attachments, exhausting worker memory and causing denial of service for all users.

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