The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a weak hashing scheme to hide IP addresses, which could allow remote attackers to use brute force methods to gain other users IP addresses.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Unrealircd | Unreal | 3.1.1 (including) | 3.1.1 (including) |
| Unrealircd | Unreal | 3.1.3 (including) | 3.1.3 (including) |
| Unrealircd | Unreal | 3.2 (including) | 3.2 (including) |
| Unrealircd | Unreal | 3.2_.0_beta_10 (including) | 3.2_.0_beta_10 (including) |
References
- http://marc.info/?l=bugtraq\u0026m=108904813003166\u0026w=2
- http://securityreason.com/securityalert/560
- http://www.bandecon.com/advisory/unreal.txt
- http://www.securityfocus.com/bid/10663
- http://www.unrealircd.com/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16610
- http://marc.info/?l=bugtraq\u0026m=108904813003166\u0026w=2
- http://securityreason.com/securityalert/560
- http://www.bandecon.com/advisory/unreal.txt
- http://www.securityfocus.com/bid/10663
- http://www.unrealircd.com/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16610