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Gentoo Linux Security Advisory GLSA 202011-15
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https://security.gentoo.org/
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Severity: Normal
Title: libmaxminddb: Denial of service
Date: November 14, 2020
Bugs: #753275
ID: 202011-15

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Synopsis
========

A vulnerability in libmaxminddb could lead to a Denial of Service
condition.

Background
==========

The libmaxminddb library provides a C library for reading MaxMind DB
files, including the GeoIP2 databases from MaxMind.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 dev-libs/libmaxminddb < 1.4.3 >= 1.4.3

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

libmaxminddb used uninitialised memory when reading from a corrupt
database file.

Impact
======

A remote attacker could entice a user to use a specially crafted
database with libmaxminddb, possibly resulting in a Denial of Service
condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libmaxminddb users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=dev-libs/libmaxminddb-1.4.3”

References
==========

[ 1 ] CVE-2020-28241
https://nvd.nist.gov/vuln/detail/CVE-2020-28241

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

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

https://security.gentoo.org/glsa/202011-15

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 2020 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