CVE-2022-24983
📋 TL;DR
CVE-2022-24983 is an information disclosure vulnerability in JQueryForm.com forms that allows attackers to obtain the URI of uploaded files by capturing POST responses. When combined with CVE-2022-24984, this can lead to unauthenticated remote code execution. Organizations using JQueryForm.com forms before February 5, 2022 are affected.
💻 Affected Systems
- JQueryForm.com forms
📦 What is this software?
Jqueryform by Jqueryform
⚠️ Risk & Real-World Impact
Worst Case
Unauthenticated remote code execution on the web server when chained with CVE-2022-24984, potentially leading to complete system compromise.
Likely Case
Information disclosure of uploaded file locations, which could expose sensitive data or facilitate further attacks.
If Mitigated
Limited to information disclosure of file paths without the ability to execute code.
🎯 Exploit Status
Exploitation requires capturing POST responses, which can be done with network monitoring tools. Chaining with CVE-2022-24984 requires additional steps.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Forms generated on or after 2022-02-05
Vendor Advisory: https://JQueryForm.com
Restart Required: No
Instructions:
1. Regenerate all forms using JQueryForm.com after February 5, 2022. 2. Replace old form code with newly generated code. 3. Test forms to ensure functionality is maintained.
🔧 Temporary Workarounds
Network Monitoring Block
allImplement network controls to prevent unauthorized capture of POST responses
File Upload Restriction
allRestrict file uploads to non-executable file types only
🧯 If You Can't Patch
- Implement strict network segmentation to isolate form servers
- Deploy web application firewall rules to monitor and block suspicious POST response captures
🔍 How to Verify
Check if Vulnerable:
Check if forms were generated before 2022-02-05 by examining form source code for JQueryForm.com references and timestampsCheck Version:
Inspect form HTML source for JQueryForm.com script references and generation datesVerify Fix Applied:
Verify forms were regenerated after 2022-02-05 and test that file URIs are not exposed in POST responses📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to form endpoints
- Multiple failed file upload attempts
- Requests for file paths that shouldn't be accessible
Network Indicators:
- Unusual traffic patterns capturing POST responses
- Requests to exposed file URIs following form submissions
SIEM Query:
source="web_server" AND (method="POST" AND uri="*/form-submit*" AND response_size>normal) OR (method="GET" AND uri="*/uploads/*" AND referer="*/form-submit*")