CVE-2014-9513

9.8 CRITICAL

📋 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

Products:
  • xbindkeys-config
Versions: 0.1.3-2
Operating Systems: Linux distributions with xbindkeys-config package
Default Config Vulnerable: ⚠️ Yes
Notes: Affects the specific version 0.1.3-2; other versions may not be vulnerable. Typically found on Linux desktop environments.

📦 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.

🌐 Internet-Facing: MEDIUM - Requires specific conditions but could be exploited if service is exposed.
🏢 Internal Only: HIGH - Local attackers or compromised accounts could exploit this for privilege escalation.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

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

linux

Uninstall xbindkeys-config if not needed

sudo apt-get remove xbindkeys-config

Restrict file permissions

linux

Set 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

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