Ekahau B4 staff badge tag 5.7 with firmware 1.4.52, Real-Time Location System (RTLS) Controller 6.0.5-FINAL, and Activator 3 reuses the RC4 cipher stream, which makes it easier for remote attackers to obtain plaintext messages via an XOR operation on two ciphertexts.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Real-time_location_system_controller | Ekahau | 6.0.5-final (including) | 6.0.5-final (including) |
References
- http://packetstormsecurity.com/files/129585/Ekahau-Real-Time-Location-System-RC4-Cipher-Stream-Reuse-Weak-Key-Derivation.html
- http://www.modzero.ch/advisories/MZ-14-01-Ekahau-RTLS.txt
- http://www.securityfocus.com/archive/1/534241/100/0/threaded
- http://www.securityfocus.com/bid/71674
- http://packetstormsecurity.com/files/129585/Ekahau-Real-Time-Location-System-RC4-Cipher-Stream-Reuse-Weak-Key-Derivation.html
- http://www.modzero.ch/advisories/MZ-14-01-Ekahau-RTLS.txt
- http://www.securityfocus.com/archive/1/534241/100/0/threaded
- http://www.securityfocus.com/bid/71674