This host has installed Irssi and is prone to Denial of Service Vulnerability

Successful exploitation will allow attackers to cause memory corruption, and can crash an affected application by tricking a user into connecting to a malicious IRC server. Impact Level: Application

No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.

Off-by-one error in the 'event_wallops' function in fe-common/irc/fe-events.c when processing empty commands sent by IRC servers, which triggers a one-byte buffer under-read and a one-byte buffer underflow.

Irssi version 0.8.13 and prior on Linux

• http://bugs.irssi.org/index.php?do=details&task_id=662
• http://www.securitytracker.com/alerts/2009/Jun/1022410.html
• http://www.vupen.com/english/advisories/2009/1596

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Updated on 2015-03-25