CVE-2014-9513
📋 TL;DR
CVE-2014-9513 is a critical vulnerability in xbindkeys-config 0.1.3-2 that allows remote attackers to execute arbitrary code through insecure temporary file handling. This affects systems running the vulnerable version of xbindkeys-config, which is a graphical configuration utility for xbindkeys keyboard shortcut manager. Attackers can exploit this to gain full control of affected systems.
💻 Affected Systems
- xbindkeys-config
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, and lateral movement within the network.
Likely Case
Local privilege escalation or remote code execution if xbindkeys-config is exposed to untrusted inputs.
If Mitigated
Limited impact if proper file permissions and isolation controls prevent unauthorized access to temporary files.
🎯 Exploit Status
Exploitation requires local access or ability to influence temporary file creation. Public exploit details available in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 0.1.3-2
Vendor Advisory: https://security-tracker.debian.org/tracker/CVE-2014-9513
Restart Required: No
Instructions:
1. Update xbindkeys-config package using your distribution's package manager. 2. For Debian/Ubuntu: sudo apt-get update && sudo apt-get install xbindkeys-config. 3. Verify the updated version is installed.
🔧 Temporary Workarounds
Remove vulnerable package
linuxUninstall xbindkeys-config if not needed
sudo apt-get remove xbindkeys-config
Restrict file permissions
linuxSet strict permissions on temporary directories
sudo chmod 1777 /tmp
sudo chmod 1777 /var/tmp
🧯 If You Can't Patch
- Disable or remove xbindkeys-config if not required
- Implement strict file system permissions and monitor temporary file creation
🔍 How to Verify
Check if Vulnerable:
Check installed version: dpkg -l | grep xbindkeys-config or rpm -qa | grep xbindkeys-config
Check Version:
dpkg -s xbindkeys-config | grep Version || rpm -q xbindkeys-config
Verify Fix Applied:
Verify version is newer than 0.1.3-2: dpkg -s xbindkeys-config | grep Version
📡 Detection & Monitoring
Log Indicators:
- Unusual temporary file creation by xbindkeys-config process
- Suspicious process execution from /tmp directories
Network Indicators:
- Not typically network exploitable unless service is exposed
SIEM Query:
process.name:"xbindkeys-config" AND file.path:"/tmp/*"
🔗 References
- http://www.openwall.com/lists/oss-security/2015/01/05/8
- http://www.securityfocus.com/bid/71868
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99649
- http://www.openwall.com/lists/oss-security/2015/01/05/8
- http://www.securityfocus.com/bid/71868
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99649