Em resumo
- CVE-2025-53634 é uma vulnerabilidade ALTO (CVSS 7.5) que afeta github.com/ctfer-io/chall-manager, chall-manager (ctfer-io).
- Chance de exploração nos próximos 30 dias (EPSS): 0.51%, maior que 43.4% das vulnerabilidades.
- Correção: atualize para 0.1.4 ou posterior.
Description
Impact
The HTTP Gateway processes headers, but with no timeout set. With a Slowloris attack, an attacker could cause Denial of Service (DoS).
Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system.
Patches
Patch has been implemented by commit 1385bd8 and shipped in v0.1.4.
Workarounds
No workaround exist.
References
N/A
NVD description
Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. The HTTP Gateway processes headers, but with no timeout set. With a slow loris attack, an attacker could cause Denial of Service (DoS). Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system. Patch has been implemented by commit 1385bd8 and shipped in v0.1.4.
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