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CVE-2024-51998— Path traversal using file URI scheme without supplying hostname in changedetection.io

Quick assessment

Affected
dgtlmoon changedetection.io
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

changedetection.io是dgtlmoon个人开发者的一个网站变更检测、监控和通知应用程序。 changedetection.io 0.47.06版本之前存在路径遍历漏洞，该漏洞源于文件URI方案的验证不充分。攻击者利用该漏洞能够读取系统上的任何文件。

CVSS 8.6 · High EPSS 0.69% · P51
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I. Basic Information for CVE-2024-51998

Vulnerability Information
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Vulnerability Title
Path traversal using file URI scheme without supplying hostname in changedetection.io
Source: CVE Program / CVE List V5
Vulnerability Description
changedetection.io is a free open source web page change detection tool. The validation for the file URI scheme falls short, and results in an attacker being able to read any file on the system. This issue only affects instances with a webdriver enabled, and `ALLOW_FILE_URI` false or not defined. The check used for URL protocol, `is_safe_url`, allows `file:` as a URL scheme. It later checks if local files are permitted, but one of the preconditions for the check is that the URL starts with `file://`. The issue comes with the fact that the file URI scheme is not required to have double slashes. This issue has been addressed in version 0.47.06 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A: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
changedetection.io 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
changedetection.io是dgtlmoon个人开发者的一个网站变更检测、监控和通知应用程序。 changedetection.io 0.47.06版本之前存在路径遍历漏洞，该漏洞源于文件URI方案的验证不充分。攻击者利用该漏洞能够读取系统上的任何文件。
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
dgtlmoon changedetection.io < 0.47.06 -

II. Public POCs for CVE-2024-51998

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III. Intelligence Information for CVE-2024-51998

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Patches & Fixes for CVE-2024-51998 (1)

Vendor Advisories for CVE-2024-51998 (1)

IV. Related Vulnerabilities

Same product: changedetection.io
Same vendor: dgtlmoon
Same weakness: CWE-22

V. Comments for CVE-2024-51998

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