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Gentoo Linux Security Advisory GLSA 202107-22
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https://security.gentoo.org/
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Severity: Low
Title: InspIRCd: Information disclosure
Date: July 09, 2021
Bugs: #791589
ID: 202107-22

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Synopsis
========

An information disclosure vulnerability in InspIRCd may allow remote
attackers to obtain sensitive information.

Background
==========

InspIRCd is a modular Internet Relay Chat (IRC) server written in C++
which was created from scratch to be stable, modern and lightweight.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-irc/inspircd < 3.10.0 >= 3.10.0

Description
===========

InspIRCd incorrectly handled malformed PONG messages, resulting in
access of freed memory.

Impact
======

A remote attacker could send crafted packets to the server, possibly
allowing them to obtain sensitive information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All InspIRCd users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/inspircd-3.10.0"

References
==========

[ 1 ] CVE-2021-33586
https://nvd.nist.gov/vuln/detail/CVE-2021-33586

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202107-22

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2021 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5