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ngIRCd: Buffer overflow


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200501-40 / ngIRCd
Release Date January 28, 2005
Latest Revision May 22, 2006: 02
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-irc/ngircd < 0.8.2 >= 0.8.2 All supported architectures

Related bugreports: #79705


ngIRCd is vulnerable to a buffer overflow that can be used to crash the daemon and possibly execute arbitrary code.

2.  Impact Information


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


Florian Westphal discovered a buffer overflow caused by an integer underflow in the Lists_MakeMask() function of lists.c.


A remote attacker can exploit this buffer overflow to crash the ngIRCd daemon and possibly execute arbitrary code with the rights of the ngIRCd daemon process.

3.  Resolution Information


There is no known workaround at this time.


All ngIRCd users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/ngIRCd-0.8.2"

4.  References


Page updated January 28, 2005

Summary: This is a Gentoo Linux Security Advisory

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