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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