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EnergyMech: Denial of Service


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200606-26 / emech
Release Date June 26, 2006
Latest Revision July 29, 2006: 02
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-irc/emech < 3.0.2 >= 3.0.2 All supported architectures

Related bugreports: #132749


A Denial of Service vulnerability was discovered in EnergyMech that is easily exploitable via IRC.

2.  Impact Information


EnergyMech is an IRC bot programmed in C.


A bug in EnergyMech fails to handle empty CTCP NOTICEs correctly, and will cause a crash from a segmentation fault.


By sending an empty CTCP NOTICE, a remote attacker could exploit this vulnerability to cause a Denial of Service.

3.  Resolution Information


There is no known workaround at this time.


All EnergyMech users should update to the latest stable version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/emech-3.0.2"

4.  References


Page updated June 26, 2006

Summary: This is a Gentoo Linux Security Advisory

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