Em resumo
- CVE-2024-52804 é uma vulnerabilidade ALTO (CVSS 7.5) que afeta tornado, tornado (tornadoweb).
- Chance de exploração nos próximos 30 dias (EPSS): 1.0%, maior que 64.2% das vulnerabilidades.
- Correção: atualize para 6.4.2 ou posterior.
| Package | Affected versions | Patched versions |
|---|
| tornado PyPI | < 6.4.2
| 6.4.2
|
| tornado | < 6.4.2
| 6.4.2
|
Description
The algorithm used for parsing HTTP cookies in Tornado versions prior to 6.4.2 sometimes has quadratic complexity, leading to excessive CPU consumption when parsing maliciously-crafted cookie headers. This parsing occurs in the event loop thread and may block the processing of other requests.
See also CVE-2024-7592 for a similar vulnerability in cpython.
NVD description
Tornado is a Python web framework and asynchronous networking library. The algorithm used for parsing HTTP cookies in Tornado versions prior to 6.4.2 sometimes has quadratic complexity, leading to excessive CPU consumption when parsing maliciously-crafted cookie headers. This parsing occurs in the event loop thread and may block the processing of other requests. Version 6.4.2 fixes the issue.
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