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CVE-2024-56331— Uptime Kuma 路径遍历漏洞

一分钟漏洞结论

影响对象
louislam uptime-kuma
利用判断
存在公开或 AI PoC，应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Uptime Kuma是Louis Lam个人开发者的一个易于使用的自托管监控工具。 Uptime Kuma 1.23.0至1.23.15版本和2.0.0-beta.0版本存在路径遍历漏洞，该漏洞源于源于对real-browser请求类型中的URL字段缺少服务器端验证和清理，导致攻击者可以访问服务器上的敏感本地文件。

CVSS 6.8 · Medium EPSS 1.83% · P78

可能的 ATT&CK 技术 1 AI

T1005 · Data from Local System
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一、 漏洞 CVE-2024-56331 基础信息

漏洞信息
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Vulnerability Title
Local File Inclusion (LFI) via Improper URL Handling in uptime-kuma's `Real-Browser` monitor
来源: CVE Program / CVE List V5
Vulnerability Description
Uptime Kuma is an open source, self-hosted monitoring tool. An **Improper URL Handling Vulnerability** allows an attacker to access sensitive local files on the server by exploiting the `file:///` protocol. This vulnerability is triggered via the **"real-browser"** request type, which takes a screenshot of the URL provided by the attacker. By supplying local file paths, such as `file:///etc/passwd`, an attacker can read sensitive data from the server. This vulnerability arises because the system does not properly validate or sanitize the user input for the URL field. Specifically: 1. The URL input (`<input data-v-5f5c86d7="" id="url" type="url" class="form-control" pattern="https?://.+" required="">`) allows users to input arbitrary file paths, including those using the `file:///` protocol, without server-side validation. 2. The server then uses the user-provided URL to make a request, passing it to a browser instance that performs the "real-browser" request, which takes a screenshot of the content at the given URL. If a local file path is entered (e.g., `file:///etc/passwd`), the browser fetches and captures the file’s content. Since the user input is not validated, an attacker can manipulate the URL to request local files (e.g., `file:///etc/passwd`), and the system will capture a screenshot of the file's content, potentially exposing sensitive data. Any **authenticated user** who can submit a URL in "real-browser" mode is at risk of exposing sensitive data through screenshots of these files. This issue has been addressed in version 1.23.16 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
来源: CVE Program / CVE List V5
Vulnerability Title
Uptime Kuma 路径遍历漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Uptime Kuma是Louis Lam个人开发者的一个易于使用的自托管监控工具。 Uptime Kuma 1.23.0至1.23.15版本和2.0.0-beta.0版本存在路径遍历漏洞，该漏洞源于源于对real-browser请求类型中的URL字段缺少服务器端验证和清理，导致攻击者可以访问服务器上的敏感本地文件。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
louislam uptime-kuma >= 1.23.0, < 1.23.16 -

二、漏洞 CVE-2024-56331 的公开POC

# POC 描述 源链接 神龙链接
1 None https://github.com/griisemine/CVE-2024-56331 POC详情
2 Uptime Kuma has an Improper URL Handling vulnerability that can be exploited through the "real-browser" feature. By providing a URL using the file:/// protocol (e.g., file:///etc/passwd), an attacker can obtain a screenshot of local sensitive files, because the user input is not validated by the server. https://github.com/projectdiscovery/nuclei-templates/blob/main/code/cves/2024/CVE-2024-56331.yaml POC详情
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三、漏洞 CVE-2024-56331 的情报信息

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CVE-2024-56331 补丁与修复 (1)

CVE-2024-56331 厂商安全公告 (1)

IV. Related Vulnerabilities

Same product: uptime-kuma
Same vendor: louislam
Same weakness: CWE-22

V. Comments for CVE-2024-56331

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