要点
- CVE-2025-53633 は github.com/ctfer-io/chall-manager, chall-manager (ctfer-io) に影響する深刻度「緊急」 (CVSS 9.8) の脆弱性です。
- 今後30日間に悪用される確率（EPSS）：0.53%（全脆弱性の 44.7% より高い）。
- 対処：0.1.4 以降に更新してください。
概要
Impact
When decoding a scenario (i.e. a zip archive), the size of the decoded content is not checked, potentially leading to zip bombs decompression.
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 14042aa and shipped in v0.1.4.
Workarounds
No workaround exist.
References
N/A.
NVD の説明
Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. When decoding a scenario (i.e. a zip archive), the size of the decoded content is not checked, potentially leading to zip bombs decompression. 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 14042aa and shipped in v0.1.4.
github.com/ctfer-io/chall-manager のその他の脆弱性
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