Bug 1546272 – CVE-2018-7052 irssi: Denial of Service (DoS) due to a NULL pointer dereference

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Bug 1546272 - (CVE-2018-7052) CVE-2018-7052 irssi: Denial of Service (DoS) due to a NULL pointer dereference

Summary:	CVE-2018-7052 irssi: Denial of Service (DoS) due to a NULL pointer dereference

Status:	NEW

Aliases:	CVE-2018-7052

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

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=low,public=20180202,reported=2...
Keywords:	Security

Depends On:	1563322 1563325 1563326 1546317
Blocks:	1546283
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Reported:	2018-02-16 14:14 EST by Laura Pardo
Modified:	2018-05-31 17:53 EDT (History)
CC List:	3 users (show)

See Also:
Fixed In Version:	irssi 1.0.7, irssi 1.1.1
Doc Type:	If docs needed, set a value
Doc Text:	A crash due to a NULL pointer dereference was found in Irssi when non-default configuration is used and the number of windows exceeds the available space.
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Regression:	---
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oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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Description Laura Pardo 2018-02-16 14:14:37 EST

An issue was discovered in Irssi. When the number of windows exceeds the
available space, a crash due to a NULL pointer dereference in cmd_window_show
function of fe-text/mainwindows.c file could occur with non-default
configurations.

Upstream commit:
https://github.com/irssi/irssi/commit/d3dc9a1307adc40425bf162f1f867a39e535f501

Upstream patch:
https://github.com/irssi/irssi/commit/5b5bfef03596d95079c728f65f523570dd7b03aa

References:
https://irssi.org/security/irssi_sa_2018_02.txt

Comment 1 Laura Pardo 2018-02-16 15:12:14 EST

Created irssi tracking bugs for this issue:

Affects: fedora-all [bug 1546317]

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