BitchX IRC Client "/INVITE" Command Format String DoS

high Nessus Network Monitor Plugin ID 1855

Synopsis

The remote host is vulnerable to a remote 'format string' flaw.

Description

The remote host is running a version of the BitchX IRC client that may be vulnerable to a format string attack. BitchX IRC clients, versions 75 up to and including 1.0c16, are vulnerable to a Denial of Service attack and possible remote execution of code. By /invite-ing someone to a channel name containing formatting characters an IRC user can cause the targeted user's BitchX client to seg-fault.

Solution

Upgrade according to vendor recommendations.

Plugin Details

Severity: High

ID: 1855

Family: IRC Clients

Published: 8/20/2004

Updated: 3/6/2019

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Reference Information

CVE: CVE-2000-0594

BID: 1436