CVE-2024-25545
📋 TL;DR
This vulnerability in Weave Desktop v7.78.10 allows a local attacker to execute arbitrary code by exploiting the nwjs framework component with a crafted script. It affects users running the vulnerable version of Weave Desktop on their local systems. The attacker needs local access to the target machine to exploit this flaw.
💻 Affected Systems
- Weave Desktop
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control over the local machine, potentially leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Local privilege escalation allowing attacker to execute code with the privileges of the Weave Desktop process, potentially accessing sensitive user data and system resources.
If Mitigated
Limited impact with proper application sandboxing and least privilege principles in place, containing the exploit to the application's context.
🎯 Exploit Status
Exploit details are publicly available in the referenced GitHub gist. The attacker needs local access to execute the crafted script against the vulnerable nwjs component.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor for latest version > v7.78.10
Vendor Advisory: https://www.weavehelp.com/hc/en-us/articles/360060696152-Download-the-Weave-Desktop-App
Restart Required: Yes
Instructions:
1. Visit the Weave Desktop download page. 2. Download and install the latest version. 3. Restart the application. 4. Verify the version is updated to a patched release.
🔧 Temporary Workarounds
Disable or Remove Weave Desktop
allUninstall Weave Desktop if not essential to prevent exploitation.
sudo apt remove weave-desktop
brew uninstall weave-desktop
Use system uninstaller on Windows
Restrict Application Execution
allUse application control policies to restrict Weave Desktop execution to trusted users only.
🧯 If You Can't Patch
- Implement strict least privilege principles - run Weave Desktop with minimal necessary permissions
- Isolate the application using sandboxing or containerization technologies
🔍 How to Verify
Check if Vulnerable:
Check if Weave Desktop version is exactly 7.78.10. Look for the application in installed programs or run 'weave --version' if available.Check Version:
Check application settings or installed programs list. Command-line may vary by platform.Verify Fix Applied:
Confirm the version is updated to a release after 7.78.10 by checking the application version in settings or running version check command.📡 Detection & Monitoring
Log Indicators:
- Unusual process creation from Weave Desktop
- Suspicious script execution in nwjs context
- Unexpected network connections from Weave processes
Network Indicators:
- Anomalous outbound connections from Weave Desktop to unexpected destinations
SIEM Query:
Process Creation where Parent Process contains 'weave' AND (Command Line contains 'nwjs' OR Command Line contains suspicious script patterns)🔗 References
- https://gist.github.com/khronokernel/b68709335aa097752423f5d6844c3aa3
- https://www.weavehelp.com/hc/en-us/articles/360060696152-Download-the-Weave-Desktop-App
- https://gist.github.com/khronokernel/b68709335aa097752423f5d6844c3aa3
- https://www.weavehelp.com/hc/en-us/articles/360060696152-Download-the-Weave-Desktop-App
