Advisories

vikunja before 2.6.0 Resource Exhaustion via CSV Migration

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severity
high
date
Affecting
  • vikunja >= 2.5.0, < 2.6.0

CWE
  • CWE-400 Uncontrolled Resource Consumption
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 POST /api/v2/migration/csv/migrate endpoint that fails to limit parsed row cardinality. Authenticated attackers can upload multipart CSV files with millions of tiny records to exhaust process memory and terminate the API service.

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