CVE-2013-1595
📋 TL;DR
This CVE describes a critical buffer overflow vulnerability in Vivotek PT7135 IP cameras that allows remote attackers to execute arbitrary code or cause denial of service by sending specially crafted packets to the RTSP service. The vulnerability affects specific firmware versions of these internet-connected cameras, potentially giving attackers full control over affected devices.
💻 Affected Systems
- Vivotek PT7135 IP Camera
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote attacker gains complete control of the IP camera, enabling them to disable surveillance, pivot to internal networks, install persistent malware, or use the device for botnet activities.
Likely Case
Remote attacker causes denial of service by crashing the camera service, disrupting surveillance capabilities until manual reboot.
If Mitigated
With proper network segmentation and access controls, impact is limited to camera functionality only, preventing network pivoting.
🎯 Exploit Status
Public exploit code available in ExploitDB and Packet Storm. Exploitation requires sending specially crafted Authorization header to RTSP service.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firmware versions after 0400a
Vendor Advisory: https://www.coresecurity.com/advisories/vivotek-ip-cameras-multiple-vulnerabilities
Restart Required: Yes
Instructions:
1. Download latest firmware from Vivotek support portal. 2. Access camera web interface. 3. Navigate to Maintenance > Firmware Upgrade. 4. Upload new firmware file. 5. Wait for automatic reboot.
🔧 Temporary Workarounds
Network Segmentation
allIsolate IP cameras on separate VLAN with restricted access to RTSP service.
Firewall Rules
linuxBlock external access to RTSP port (default 554) from untrusted networks.
iptables -A INPUT -p tcp --dport 554 -j DROP
iptables -A INPUT -p udp --dport 554 -j DROP
🧯 If You Can't Patch
- Segment cameras on isolated network with no internet access
- Implement strict firewall rules to allow RTSP access only from authorized management stations
🔍 How to Verify
Check if Vulnerable:
Check firmware version via web interface at http://[camera-ip]/system.html or using nmap: nmap -sV --script rtsp-methods [camera-ip] -p 554Check Version:
curl -s http://[camera-ip]/system.html | grep 'Firmware Version'Verify Fix Applied:
Verify firmware version is newer than 0400a and test with known exploit payloads to confirm service doesn't crash.📡 Detection & Monitoring
Log Indicators:
- RTSP service crashes
- Unusual Authorization header patterns in RTSP logs
- Multiple failed RTSP connections
Network Indicators:
- Unusually long Authorization headers in RTSP traffic
- Traffic patterns matching known exploit signatures
SIEM Query:
source="camera_logs" AND "RTSP" AND ("Authorization" OR "crash" OR "buffer")🔗 References
- http://www.securityfocus.com/bid/59573
- https://exchange.xforce.ibmcloud.com/vulnerabilities/83944
- https://github.com/offensive-security/exploitdb/blob/master/exploits/hardware/webapps/25139.txt
- https://packetstormsecurity.com/files/cve/CVE-2013-1595
- https://www.coresecurity.com/advisories/vivotek-ip-cameras-multiple-vulnerabilities
- http://www.securityfocus.com/bid/59573
- https://exchange.xforce.ibmcloud.com/vulnerabilities/83944
- https://github.com/offensive-security/exploitdb/blob/master/exploits/hardware/webapps/25139.txt
- https://packetstormsecurity.com/files/cve/CVE-2013-1595
- https://www.coresecurity.com/advisories/vivotek-ip-cameras-multiple-vulnerabilities
