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Gentoo Linux Security Advisory 202003-41

Gentoo Linux Security Advisory 202003-41
Posted Mar 19, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202003-41 - A heap-based buffer overflow in GNU FriBidi might allow remote attackers to execute arbitrary code. Versions less than 1.0.8 are affected.

tags | advisory, remote, overflow, arbitrary
systems | linux, gentoo
advisories | CVE-2019-18397
SHA-256 | 6d5c8083cd0886b43d1bc53ec2ea56a49885be3e93fa9348645a721f2cbe8e1b

Gentoo Linux Security Advisory 202003-41

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Gentoo Linux Security Advisory GLSA 202003-41
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https://security.gentoo.org/
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Severity: Normal
Title: GNU FriBidi: Heap-based buffer overflow
Date: March 19, 2020
Bugs: #699338
ID: 202003-41

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Synopsis
========

A heap-based buffer overflow in GNU FriBidi might allow remote
attackers to execute arbitrary code.

Background
==========

The Free Implementation of the Unicode Bidirectional Algorithm.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/fribidi < 1.0.8 >= 1.0.8

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

A heap-based buffer overflow vulnerability was found in GNU FriBidi.

Impact
======

A remote attacker could possibly cause a memory corruption, 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 FriBidi users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/fribidi-1.0.8"

References
==========

[ 1 ] CVE-2019-18397
https://nvd.nist.gov/vuln/detail/CVE-2019-18397

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

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

https://security.gentoo.org/glsa/202003-41

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
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