CVE-2024-48536
📋 TL;DR
This vulnerability allows attackers to bypass access controls in eSoft Planner 3.24.08271-USA by sending specially crafted web requests, enabling unauthorized viewing of all company transactions. Any organization using the vulnerable version of eSoft Planner is affected.
💻 Affected Systems
- eSoft Planner
📦 What is this software?
Esoft Planner by Esoftplanner
⚠️ Risk & Real-World Impact
Worst Case
Attackers exfiltrate all financial transaction data, leading to business intelligence theft, regulatory violations, and potential financial fraud.
Likely Case
Unauthorized users access sensitive transaction data, compromising confidentiality and potentially enabling further attacks.
If Mitigated
Limited exposure if proper network segmentation and access controls prevent external access to the vulnerable interface.
🎯 Exploit Status
Crafting web requests suggests straightforward exploitation once request format is known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
Check vendor website for security updates. No official patch information available at this time.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to eSoft Planner interface to authorized IP addresses only.
Web Application Firewall
allImplement WAF rules to block crafted requests targeting transaction endpoints.
🧯 If You Can't Patch
- Isolate eSoft Planner on internal network segments with strict access controls.
- Implement comprehensive logging and monitoring of all access to transaction endpoints.
🔍 How to Verify
Check if Vulnerable:
Test if unauthorized web requests to transaction endpoints return data that should be restricted.Check Version:
Check eSoft Planner interface or configuration files for version information.Verify Fix Applied:
Verify that crafted requests no longer return unauthorized transaction data.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to transaction endpoints
- Requests with crafted parameters
Network Indicators:
- HTTP requests to transaction endpoints from unauthorized sources
SIEM Query:
source_ip NOT IN authorized_ips AND uri CONTAINS 'transaction' AND response_code=200