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[gentoo-announce] [ GLSA 201804-19 ] mbed TLS: Multiple vulnerabilites

Posted on 23 April 2018
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201804-19
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https://security.gentoo.org/
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Severity: High
Title: mbed TLS: Multiple vulnerabilites
Date: April 22, 2018
Bugs: #647800
ID: 201804-19

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Synopsis
========
Multiple vulnerabilities have been found in mbed TLS, the worst of
which could allow remote attackers to execute arbitrary code.

Background
==========
mbed TLS (previously PolarSSL) is an =E2=80=9Ceasy to understand, use,
integrate and expand=E2=80=9D implementation of the TLS and SSL protocols a=nd
the respective cryptographic algorithms and support code required.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-libs/mbedtls < 2.7.2 >= 2.7.2

Description
===========
Multiple vulnerabilities have been discovered in mbed TLS. Please
review the CVE identifiers referenced below for details.

Impact
======
A remote attacker, through multiple vectors, 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 mbed TLS users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/mbedtls-2.7.2"

References
==========
[ 1 ] CVE-2017-18187
https://nvd.nist.gov/vuln/detail/CVE-2017-18187
[ 2 ] CVE-2018-0487
https://nvd.nist.gov/vuln/detail/CVE-2018-0487
[ 3 ] CVE-2018-0488
https://nvd.nist.gov/vuln/detail/CVE-2018-0488

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

https://security.gentoo.org/glsa/201804-19

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 2018 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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