A PPP security update has been released for Gentoo Linux.

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Gentoo Linux Security Advisory GLSA 202003-19
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  https://security.gentoo.org/
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Severity: High
Title: PPP: Buffer overflow
Date: March 15, 2020
Bugs: #710308
ID: 202003-19

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Synopsis
========

A buffer overflow in PPP might allow a remote attacker to execute
arbitrary code.

Background
==========

PPP is a Unix implementation of the Point-to-Point Protocol.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-dialup/ppp < 2.4.8 >= 2.4.8

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

It was discovered that bounds check in PPP for the rhostname was
improperly constructed in the EAP request and response functions.

Impact
======

A remote attacker, by sending specially crafted authentication data,
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 PPP users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dialup/ppp-2.4.8"

References
==========

[ 1 ] CVE-2020-8597
  https://nvd.nist.gov/vuln/detail/CVE-2020-8597

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

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

  https://security.gentoo.org/glsa/202003-19

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