ngIRCd: Denial of Service

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200801-13 / ngircd
Release Date	January 27, 2008
Latest Revision	January 27, 2008: 02
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-irc/ngircd	< 0.10.4	>= 0.10.4	All supported architectures

Related bugreports: #204834

Synopsis

ngIRCd does not properly sanitize commands sent by users, allowing for a Denial of Service.

2. Impact Information

Background

ngIRCd is a free open source daemon for Internet Relay Chat (IRC).

Description

The IRC_PART() function in the file irc-channel.c does not properly check the number of parameters, referencing an invalid pointer if no channel is supplied.

Impact

A remote attacker can exploit this vulnerability to crash the ngIRCd daemon.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All ngIRCd users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/ngircd-0.10.4"

4. References

CVE-2008-0285

Page updated January 27, 2008

Summary: This is a Gentoo Linux Security Advisory

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