GLSA 200501-40: ngIRCd: Buffer overflow

http://security.gentoo.org/

Severity:	high
Title:	ngIRCd: Buffer overflow
Date:	01/28/2005
Bugs:	#79705
ID:	200501-40

Synopsis

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

Background

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

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-irc/ngircd	< 0.8.2	>= 0.8.2	All supported architectures

Description

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

Impact

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.

Workaround

There is no known workaround at this time.

Resolution

All ngIRCd users should upgrade to the latest version:

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

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200501-40.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.