Bug 1532569 (CVE-2018-5206) - CVE-2018-5206 irssi: NULL pointer dereference when channel topic is set without specifying sender
Summary: CVE-2018-5206 irssi: NULL pointer dereference when channel topic is set witho...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2018-5206
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1532625 1532627
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-01-09 11:19 UTC by Adam Mariš
Modified: 2021-02-17 01:00 UTC (History)
2 users (show)

Fixed In Version: irssi 1.0.6
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Clone Of:
Environment:
Last Closed: 2019-06-08 03:36:34 UTC
Embargoed:

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Description Adam Mariš 2018-01-09 11:19:04 UTC 
When the channel topic is set without specifying a sender, Irssi may dereference NULL pointer.

The exploitation of the issue requires a broken ircd or control over the ircd.
Comment 1 Adam Mariš 2018-01-09 11:28:21 UTC 
External References:

https://irssi.org/security/irssi_sa_2018_01.txt
Comment 2 Adam Mariš 2018-01-09 13:17:56 UTC 
Created irssi tracking bugs for this issue:

Affects: fedora-all [bug 1532625]
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