UnrealIRCd server link denial of service
| unrealircd-server-link-dos (25130) |  Medium Risk |
Description:
Unreal is vulnerable to a denial of service caused by a vulnerability in linked servers. By sending a string for adding/removing Q:lines with special characters, a remote attacker in control of a linked server could cause a denial of service condition.
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of UnrealIRCd (3.2.4 or later), available from the UnrealIRCd Web site. See References.
References:
- BugTraq Mailing List, Thu Mar 09 2006 - 12:58:15 CST: UnrealIRCd3.2.3 Server-Link Denial of Service.
- UnrealIRCd Web site: UnrealIRCd Homepage.
- BID-17057: UnrealIRCd Remote Denial Of Service Vulnerability
- CVE-2006-1214: UnrealIRCd 3.2.3 allows remote attackers to cause an unspecified denial of service by causing a linked server to send malformed TKL Q:Line commands, as demonstrated by TKL - q\x08Q *\x08PoC.
- OSVDB ID: 23778: UnrealIRCd Server Link Crafted Q:lines DoS
- SA19188: UnrealIRCd Server Link TKL Command Denial of Service
- VUPEN/ADV-2006-0908: UnrealIRCd Server Link TKL Command Remote Denial of Service Vulnerability
Platforms Affected:
- Stskeeps UnrealIRCd 3.2.3
Reported:
Mar 09, 2006
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