Description
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 user's IP addresses.
References
- 560 third-party-advisory
- http://www.bandecon.com/advisory/unreal.txt
- 20040705 unreal ircd ip cloaking subsystem vulnerability mailing-list
- 10663 vdb-entry
- http://www.unrealircd.com/
- unreal-ircd-information-disclosure(16610) vdb-entry