CVE-2024-27922
📋 TL;DR
This vulnerability in TOMP Bare Server allows attackers to manipulate HTTP requests through insecure handling in the @tomphttp/bare-server-node package. It affects all systems using vulnerable versions of this package, potentially enabling traffic interception or manipulation. The impact depends on how the package is deployed but could affect any application relying on it.
💻 Affected Systems
- @tomphttp/bare-server-node
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of web traffic passing through the server, enabling man-in-the-middle attacks, data interception, request manipulation, and potential credential theft.
Likely Case
Partial traffic manipulation allowing attackers to modify requests/responses, inject malicious content, or redirect users to malicious sites.
If Mitigated
Limited impact with proper network segmentation, but still potential for internal traffic manipulation if exploited.
🎯 Exploit Status
The advisory suggests the vulnerability is in HTTP request handling, which typically requires network access but no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.2
Vendor Advisory: https://github.com/tomphttp/bare-server-node/security/advisories/GHSA-86fc-f9gr-v533
Restart Required: Yes
Instructions:
1. Update package.json to specify @tomphttp/bare-server-node version 2.0.2 or higher. 2. Run npm update @tomphttp/bare-server-node. 3. Restart the server application.
🧯 If You Can't Patch
- Isolate the vulnerable server behind a reverse proxy with strict request validation.
- Implement network segmentation to limit the server's exposure and potential attack surface.
🔍 How to Verify
Check if Vulnerable:
Check package.json or run npm list @tomphttp/bare-server-node to see if version is below 2.0.2.Check Version:
npm list @tomphttp/bare-server-nodeVerify Fix Applied:
Confirm npm list @tomphttp/bare-server-node shows version 2.0.2 or higher.📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP request patterns
- Unexpected request modifications
- Abnormal traffic redirections
Network Indicators:
- Suspicious HTTP traffic manipulation
- Unexpected proxy behavior
- Traffic interception patterns
SIEM Query:
Search for HTTP requests with unusual headers or modifications in server logs.