Advisories

vikunja before 2.6.0 Denial of Service via unbounded filter recursion

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

CWE
  • CWE-674 Uncontrolled Recursion
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 task-filter endpoint that accepts deeply nested filter expressions without recursion depth limits. Authenticated attackers can supply thousands of nested parentheses in the filter query parameter to exhaust memory and terminate the API process.

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