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
