CVE-2025-53632— Chall-Manager's scenario decoding process does not check for zip slips
Quick assessment
Affected
ctfer-io chall-manager
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Chall-Manager是CTFer.io开源的一个开源项目。 Chall-Manager 0.1.4之前版本存在路径遍历漏洞，该漏洞源于解压zip文件时未检查文件路径，可能导致任意文件覆盖。
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I. Basic Information for CVE-2025-53632
Vulnerability Information
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Vulnerability Title
Chall-Manager's scenario decoding process does not check for zip slips
Source: CVE Program / CVE List V5
Vulnerability Description
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 path of the file to write is not checked, potentially leading to zip slips. 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 47d188f and shipped in v0.1.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Chall-Manager 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chall-Manager是CTFer.io开源的一个开源项目。 Chall-Manager 0.1.4之前版本存在路径遍历漏洞，该漏洞源于解压zip文件时未检查文件路径，可能导致任意文件覆盖。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ctfer-io | chall-manager | < 0.1.4 | - |
|
II. Public POCs for CVE-2025-53632
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | An exploit of CVE-2025-53632 to confirm exploitability | https://github.com/pandatix/CVE-2025-53632 | POC Details |
AI-Generated POC
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Same Patch Batch · ctfer-io · 2025-07-10 · 3 CVEs total
| CVE-2025-53633 | Chall-Manager's scenario decoding process does not check for zip bombs | |
| CVE-2025-53634 | Chall-Manager's HTTP Gateway have no header check timeout leading to potential slow loris |
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V. Comments for CVE-2025-53632
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