Unreal IRCD OperServ Raw Message Channel Join DoS

High Nessus Network Monitor Plugin ID 2154

Synopsis

The remote host is vulnerable to a Denial of Service (DoS) attack.

Description

The remote host is running a version of Unreal IRCD that is vulnerable to a remote denial of service. It is reported that Unreal IRCD may crash when a client sends a raw message to OperServ to join a channel. An attacker may use this issue to deny service to legitimate users.

Solution

Upgrade or patch according to vendor recommendations.

Plugin Details

Severity: High

ID: 2154

File Name: 2154.prm

Family: IRC Servers

Published: 2004/08/18

Modified: 2016/11/23

Risk Information

Risk Factor: High

CVSSv2

Base Score: 7.8

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: CVSS2#E:H/RL:W/RC:ND

CVSSv3

Base Score: 7.5

Temporal Score: 7.3

Vector: CVSS3#AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS3#E:H/RL:W/RC:X

Reference Information

BID: 8131