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AUSCERT External Security Bulletin Redistribution
ESB-2019.0116
IRSSI-SA-2019-01 Irssi Security Advisory
11 January 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Irssi
Publisher: Irssi
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-5882
Original Bulletin:
https://irssi.org/security/irssi_sa_2019_01.txt
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IRSSI-SA-2019-01 Irssi Security Advisory [1]
============================================
CVE-2019-5882
Description
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(a) Use after free when hidden lines were expired from the scroll
buffer. (CWE-417, CWE-825)
CVE-2019-5882 [2] was assigned to this issue.
Impact
- ------
May affect the stability of Irssi.
Affected versions
- -----------------
(a) Irssi 1.1.0 and later
Fixed in
- --------
Irssi 1.1.2
Recommended action
- ------------------
Upgrade to Irssi 1.1.2. Irssi 1.1.2 is a maintenance release in the 1.1
series, without any new features.
After installing the updated packages, one can issue the /upgrade
command to load the new binary. TLS connections will require /reconnect.
Mitigating facts
- ----------------
(a) If lines are never hidden (no usage of /window hidelevel), this bug
will not trigger.
References
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[1] https://irssi.org/security/irssi_sa_2019_01.txt
[2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5882
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The University of Queensland
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