Eggdrop: Buffer overflow

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Updated September 15, 2007

1.  Gentoo Linux Security Advisory

Version Information

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