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CVE-2022-24837— Enumerable upload file names in hedgedoc

Quick assessment

Affected
hedgedoc hedgedoc
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.

Hedgedoc是Hedgedoc团队的一个基于Javascript的Markdown文档实时编辑分享平台。 HedgeDoc 1.9.1版本及之后版本存在安全漏洞，该漏洞源于上传的图像在上传后具有可枚举的文件名，导致上传文档的信息泄漏。

CVSS 5.3 · Medium EPSS 1.11% · P63

Possible ATT&CK Techniques 1 AI

T1115 · Clipboard Data
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I. Basic Information for CVE-2022-24837

Vulnerability Information
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Vulnerability Title
Enumerable upload file names in hedgedoc
Source: CVE Program / CVE List V5
Vulnerability Description
HedgeDoc is an open-source, web-based, self-hosted, collaborative markdown editor. Images uploaded with HedgeDoc version 1.9.1 and later have an enumerable filename after the upload, resulting in potential information leakage of uploaded documents. This is especially relevant for private notes and affects all upload backends, except Lutim and imgur. This issue is patched in version 1.9.3 by replacing the filename generation with UUIDv4. If you cannot upgrade to HedgeDoc 1.9.3, it is possible to block POST requests to `/uploadimage`, which will disable future uploads.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
HedgeDoc 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hedgedoc是Hedgedoc团队的一个基于Javascript的Markdown文档实时编辑分享平台。 HedgeDoc 1.9.1版本及之后版本存在安全漏洞，该漏洞源于上传的图像在上传后具有可枚举的文件名，导致上传文档的信息泄漏。
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
hedgedoc hedgedoc >=1.9.1, < 1.9.3 -

II. Public POCs for CVE-2022-24837

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III. Intelligence Information for CVE-2022-24837

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Patches & Fixes for CVE-2022-24837 (1)

Vendor Advisories for CVE-2022-24837 (1)

Other References for CVE-2022-24837 (1)

IV. Related Vulnerabilities

Same product: hedgedoc
Same vendor: hedgedoc
Same weakness: CWE-200

V. Comments for CVE-2022-24837

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