Bug 1546223 – CVE-2018-7054 irssi: use-after-free when a server is disconnected during netsplits

Bugzilla will be upgraded to version 5.0 on a still to be determined date in the near future. The original upgrade date has been delayed.

Bug 1546223 - (CVE-2018-7054) CVE-2018-7054 irssi: use-after-free when a server is disconnected during netsplits

Summary:	CVE-2018-7054 irssi: use-after-free when a server is disconnected during nets...

Status:	CLOSED NOTABUG

Aliases:	CVE-2018-7054

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=20180215,reported=2...
Keywords:	Security

Depends On:	1563666 1546318 1563662
Blocks:	1546283
	Show dependency tree / graph

Reported:	2018-02-16 11:31 EST by Laura Pardo
Modified:	2018-04-04 10:44 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:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2018-04-04 09:48:52 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

Groups: None (edit)

Description Laura Pardo 2018-02-16 11:31:42 EST

An issue was discovered in Irssi 1.0.0 and later. There is a use-after-free when a server is disconnected during netsplits. 


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

Comment 1 Laura Pardo 2018-02-16 15:12:22 EST

Created irssi tracking bugs for this issue:

Affects: fedora-all [bug 1546318]

Comment 4 Riccardo Schirone 2018-04-04 08:25:39 EDT

Upstream patches:
https://github.com/irssi/irssi/commit/a6cae91cecba2e8cf11ed779c5da5a229472575c
https://github.com/irssi/irssi/commit/38ba3ca2c40fc8ccccec8dc3f360c4087e7dd498

Comment 6 Riccardo Schirone 2018-04-04 10:44:31 EDT

Statement:

This issue did not affect the versions of Irssi as shipped with Red Hat Enterprise Linux 6 and 7, since the affected code was introduced in Irssi version 1.0.0.

Note You need to log in before you can comment on or make changes to this bug.