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Advisories

Vikunja before 2.6.0 Denial of Service via Decompression Bomb

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severity
high
date
Affecting

  • vikunja >= 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
Str1ckl4nd, 7thParkk, 0xcelien, JellowBeanz26
Description
Vikunja before 2.6.0 fails to limit archive expansion during data import, allowing authenticated users to cause denial of service. Attackers can upload highly compressed files that expand to tens of gigabytes in memory and disk, exhausting server resources and crashing the instance.

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