CVE-2024-10604
📋 TL;DR
This vulnerability in Fuchsia OS allows attackers to predict network protocol header values like TCP sequence numbers and source ports, enabling network session hijacking or injection attacks. It affects systems running vulnerable versions of Fuchsia OS where network services are exposed. The risk is primarily to systems accepting network connections from untrusted sources.
💻 Affected Systems
- Fuchsia OS
📦 What is this software?
Fuchsia by Google
Fuchsia by Google
⚠️ Risk & Real-World Impact
Worst Case
Attackers could hijack TCP sessions, inject malicious packets into network streams, bypass firewall rules, or perform man-in-the-middle attacks on vulnerable network services.
Likely Case
Network session disruption, packet injection in specific conditions, or information leakage about network activity patterns.
If Mitigated
Limited impact due to network segmentation, encryption, or other security controls that prevent packet-level attacks.
🎯 Exploit Status
Exploitation requires network access and ability to send/receive packets. The vulnerability is algorithmic rather than a memory corruption issue.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Fuchsia OS updates from 2024 onward
Vendor Advisory: https://fuchsia.googlesource.com/fuchsia/+/40e7fbcdcd013441daf4492f1ead349a9e5b80dc
Restart Required: Yes
Instructions:
1. Update Fuchsia OS to latest version. 2. Reboot the system. 3. Verify network services are using updated network stack.
🔧 Temporary Workarounds
Network Segmentation
allIsolate vulnerable systems from untrusted networks
Encryption Enforcement
allRequire TLS/encryption for all network communications
🧯 If You Can't Patch
- Implement strict network access controls and firewall rules
- Use VPNs or encrypted tunnels for all network communications
🔍 How to Verify
Check if Vulnerable:
Check Fuchsia OS version and compare against patched versions mentioned in Fuchsia source commitsCheck Version:
fx versionVerify Fix Applied:
Verify Fuchsia OS is updated beyond vulnerable versions and network services are restarted📡 Detection & Monitoring
Log Indicators:
- Unexpected TCP resets
- Sequence number anomalies in packet captures
- Failed connection attempts with predictable patterns
Network Indicators:
- Predictable TCP ISN values in network traffic
- Consistent source port patterns
- Unusual packet injection attempts
SIEM Query:
network.protocol:tcp AND (tcp.flags.reset:1 OR tcp.sequence_number:*) with predictable patterns