Eggdrop: Buffer overflow

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200709-07 / eggdrop
Release Date	September 15, 2007
Latest Revision	September 26, 2007: 02
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-irc/eggdrop	< 1.6.18-r3	>= 1.6.18-r3	All supported architectures

Related bugreports: #179354

Synopsis

A remote stack-based buffer overflow has been discovered in Eggdrop.

2. Impact Information

Background

Eggdrop is an IRC bot extensible with C or Tcl.

Description

Bow Sineath discovered a boundary error in the file mod/server.mod/servrmsg.c when processing overly long private messages sent by an IRC server.

Impact

A remote attacker could entice an Eggdrop user to connect the bot to a malicious server, possibly resulting in the execution of arbitrary code on the host running Eggdrop.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Eggdrop users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/eggdrop-1.6.18-r3"

4. References

CVE-2007-2807

Updated September 15, 2007

Summary: This is a Gentoo Linux Security Advisory

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