ircd-hybrid and ircd-ratbox parse_client_queued function denial of service
| ircd-parseclientqueued-dos (16457) |  Medium Risk |
Description:
ircd-hybrid is vulnerable to a denial of service attack, caused by a vulnerability in the parse_client_queued function. A remote attacker could exploit this vulnerability to cause a denial of service.
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of hybrid (7.0.2 or later), available from the ircd-hybrid Web page. See References.
— AND —
Apply the 1.5-2 stable patch for ircd-ratbox, available from the ircd-ratbox Web page. See References.
References:
- BugTraq Mailing List, Fri Jun 18 2004 - 16:21:19 CDT: ircd-hybrid-7 / ircd-ratbox low-bandwidth DoS.
- ircd-hybrid Web page: IRCD-Hybrid - High Performance Internet Relay Chat.
- ircd-ratbox Web page: ircd-ratbox.
- BID-10572: Multiple ircd Socket Dequeuing Denial of Service Vulnerability
- CVE-2004-0605: Non-registered IRC users using (1) ircd-hybrid 7.0.1 and earlier, (2) ircd-ratbox 1.5.1 and earlier, or (3) ircd-ratbox 2.0rc6 and earlier do not have a rate-limit imposed, which could allow remote attackers to cause a denial of service by repeatedly making requests, which are slowly dequeued.
Platforms Affected:
- ircd-hybrid IRCD-Hybrid 7.0.1
- ircd-ratbox ircd-ratbox 1.5.1
- ircd-ratbox ircd-ratbox 2.0 rc6
Reported:
Jun 18, 2004
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