XChat CTCP Ping Arbitrary Remote IRC Command Execution

Medium Nessus Network Monitor Plugin ID 1875


The remote host is vulnerable to an flaw which allows attackers to execute arbitrary commands.


The remote host is running the XChat IRC client. X-Chat versions 1.4.2 and 1.4.3 could allow a remote attacker to execute IRC commands. A remote attacker can send a specially crafted CTCP ping request to execute IRC commands on the IRC server and gain elevated privileges.


Upgrade or patch according to vendor recommendations.

Plugin Details

Severity: Medium

ID: 1875

File Name: 1875.prm

Family: IRC Clients

Published: 2004/08/20

Modified: 2016/01/21

Dependencies: 1878

Risk Information

Risk Factor: Medium


Base Score: 6.4

Temporal Score: 5.3

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

Temporal Vector: CVSS2#E:F/RL:OF/RC:C


Base Score: 6.5

Temporal Score: 6


Temporal Vector: CVSS3#E:H/RL:O/RC:C

Reference Information

CVE: CVE-2002-0006

BID: 3830

OSVDB: 5423