[ GLSA 202009-15 ] libuv: Buffer overflow

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Gentoo Linux Security Advisory                           GLSA 202009-15
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: libuv: Buffer overflow
     Date: September 29, 2020
     Bugs: #742890
       ID: 202009-15

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Synopsis
========

A buffer overflow in libuv might allow remote attacker(s) to execute
arbitrary code.

Background
==========

libuv is a multi-platform support library with a focus on asynchronous
I/O.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-libs/libuv               < 1.39.0                  >= 1.39.0

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

libuv used an incorrect buffer size for paths, causing a buffer
overflow.

Impact
======

A remote attacker could possibly execute arbitrary code with the
privileges of the process, or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libuv users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-libs/libuv-1.39.0"

References
==========

[ 1 ] CVE-2020-8252
      https://nvd.nist.gov/vuln/detail/CVE-2020-8252

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

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

 https://security.gentoo.org/glsa/202009-15

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
[email protected] 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

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