CVE-2024-14010
📋 TL;DR
Typora 1.7.4 contains a command injection vulnerability in PDF export preferences that allows attackers to execute arbitrary system commands. Attackers can inject malicious commands into the 'run command' input field during PDF export to achieve remote code execution. Users running Typora 1.7.4 are affected.
💻 Affected Systems
- Typora
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining complete control over the victim's computer, allowing data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Local privilege escalation leading to unauthorized access to sensitive files, system configuration changes, or installation of malware.
If Mitigated
Limited impact with proper application sandboxing and user privilege restrictions preventing system-wide compromise.
🎯 Exploit Status
Exploit requires user interaction to access PDF export preferences and inject commands. Proof of concept is publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.7.5 or later
Vendor Advisory: http://www.typora.io
Restart Required: Yes
Instructions:
1. Open Typora. 2. Go to Help > Check for Updates. 3. Download and install version 1.7.5 or newer. 4. Restart Typora.
🔧 Temporary Workarounds
Disable PDF Export
allPrevent use of the vulnerable PDF export functionality
Run with Restricted Privileges
allRun Typora with limited user privileges to reduce impact
🧯 If You Can't Patch
- Uninstall Typora 1.7.4 and use alternative markdown editors
- Implement application whitelisting to prevent unauthorized command execution
🔍 How to Verify
Check if Vulnerable:
Check Typora version in Help > About. If version is 1.7.4, the system is vulnerable.
Check Version:
On Typora: Help > About
Verify Fix Applied:
Verify Typora version is 1.7.5 or newer in Help > About.
📡 Detection & Monitoring
Log Indicators:
- Unusual command execution from Typora process
- Suspicious PDF export operations with command-line parameters
Network Indicators:
- Outbound connections from Typora to unexpected destinations
SIEM Query:
process_name:"Typora.exe" AND command_line:*cmd* OR command_line:*powershell* OR command_line:*bash*