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Charybdis, ShadowIRCd: Denial of Service


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201405-21 / shadowircd
Release Date May 18, 2014
Latest Revision May 18, 2014: 1
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-irc/charybdis < 3.4.2 >= 3.4.2 All supported architectures
net-irc/shadowircd < 6.3.3 >= 6.3.3 All supported architectures

Related bugreports: #449544, #449790


A vulnerability has been found in Charybdis and ShadowIRCd, possibly resulting in remote Denial of Service.

2.  Impact Information


Charybdis is the Atheme Project’s IRC daemon based on ratbox. ShadowIRCd is an IRC daemon based on Charybdis that adds several useful features.


A vulnerability has been discovered in Charybdis and ShadowIRCd. Please review the CVE identifier referenced below for details.


A remote attacker may be able to cause a Denial of Service condition.

3.  Resolution Information


There is no known workaround at this time.


All Charybdis users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-irc/charybdis-3.4.2"

All ShadowIRCd users should upgrade to the latest version:

Code Listing 3.2: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-irc/shadowircd-6.3.3"

4.  References


Page updated May 18, 2014

Summary: This is a Gentoo Linux Security Advisory

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