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Category:   Application (Instant Messaging/IRC/Chat)  >   Irssi Vendors:   Irssi.org
Irssi DCC Message and File Processing Flaws Let Remote Users Cause the Target Application to Crash
SecurityTracker Alert ID:  1038621
SecurityTracker URL:  http://securitytracker.com/id/1038621
CVE Reference:   CVE-2017-9468, CVE-2017-9469   (Links to External Site)
Date:  Jun 7 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 1.0.3
Description:   Two vulnerabilities were reported in Irssi. A remote user can cause the target application to crash.

A remote server can return a specially crafted DCC message without a source nick or host value to trigger a null pointer dereference and can cause the target application to crash [CVE-2017-9468].

A remote user can send specially crafted incorrectly quoted DCC files to trigger an out-of-bounds memory error and cause the target application to crash [CVE-2017-9469].

Joseph Bisch reported these vulnerabilities.

Impact:   A remote user can cause the target application to crash.
Solution:   The vendor has issued a fix (1.0.3).

The vendor advisory is available at:

https://irssi.org/security/irssi_sa_2017_06.txt

Vendor URL:  irssi.org/security/irssi_sa_2017_06.txt (Links to External Site)
Cause:   Access control error, Boundary error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jun 12 2017 (Ubuntu Issues Fix) Irssi DCC Message and File Processing Flaws Let Remote Users Cause the Target Application to Crash
Ubuntu has issued a fix for Ubuntu Linux 14.04 LTS, 16.04 LTS, 16.10, and 17.04.



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