ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ircu | Universal_ircd | * | 2.10.12.05 (including) |
| Ircd-ircu | Ubuntu | dapper | * |
| Ircd-ircu | Ubuntu | edgy | * |
| Ircd-ircu | Ubuntu | feisty | * |
| Ircd-ircu | Ubuntu | gutsy | * |
| Ircd-ircu | Ubuntu | upstream | * |
References
- http://securityreason.com/securityalert/3031
- http://www.securityfocus.com/archive/1/476285/100/0/threaded
- http://www.securityfocus.com/bid/25285
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35997
- http://securityreason.com/securityalert/3031
- http://www.securityfocus.com/archive/1/476285/100/0/threaded
- http://www.securityfocus.com/bid/25285
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35997