Bug 1532569 – CVE-2018-5206 irssi: NULL pointer dereference when channel topic is set without specifying sender

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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...

Status:	NEW

Aliases:	CVE-2018-5206

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
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URL:
Whiteboard:	impact=moderate,public=20180106,repor...
Keywords:	Security

Depends On:	1532627 1532625
Blocks:
	Show dependency tree / graph

Reported:	2018-01-09 06:19 EST by Adam Mariš
Modified:	2018-05-31 17:52 EDT (History)
CC List:	2 users (show)

See Also:
Fixed In Version:	irssi 1.0.6
Doc Type:	If docs needed, set a value
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RHEL 7.3 requirements from Atomic Host:
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Description Adam Mariš 2018-01-09 06:19:04 EST

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 06:28:21 EST

External References:

https://irssi.org/security/irssi_sa_2018_01.txt

Comment 2 Adam Mariš 2018-01-09 08:17:56 EST

Created irssi tracking bugs for this issue:

Affects: fedora-all [bug 1532625]

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