Description
Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard "%u" Unicode encoding of ASCII characters in the requested URL.
Products
- Cisco Catalyst 6000 Intrusion Detection System Module
- Cisco Catalyst 6000 Intrusion Detection System Module
- Cisco Secure Intrusion Detection System
- Cisco Secure Intrusion Detection System
- ISS RealSecure Network Sensor 5.x
- ISS RealSecure Network Sensor 6.x
- Internet Security Systems RealSecure Server Sensor 5.5
- Internet Security Systems RealSecure Server Sensor 6.0
- Snort Snort 1.8.1
- Enterasys Dragon 4.x
Questions to Ask Vendors
- Can you confirm whether your systems are affected by CVE-2001-0669, and if so, what steps are you currently taking to mitigate this vulnerability?
- What is your estimated timeline for fully resolving CVE-2001-0669 in your products or services, and how will you communicate updates on this issue to us as your customer?
Recommended Actions
- Check out the advisory links provided below.
References