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Sicherheit: Pufferüberlauf in Boost
Aktuelle Meldungen Distributionen
Name: Pufferüberlauf in Boost
ID: 202105-04
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Mi, 26. Mai 2021, 23:00
Referenzen: https://nvd.nist.gov/vuln/detail/CVE-2012-2677
Applikationen: The Boost Libraries

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From: Thomas Deutschmann <whissi@gentoo.org>
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To: gentoo-announce@lists.gentoo.org
Message-ID: <1980f867-acb7-63d3-7f45-e2eb52ecd42f@gentoo.org>
Subject: [ GLSA 202105-04 ] Boost: Buffer overflow

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Gentoo Linux Security Advisory GLSA 202105-04
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https://security.gentoo.org/
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Severity: Normal
Title: Boost: Buffer overflow
Date: May 26, 2021
Bugs: #620468
ID: 202105-04

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Synopsis
========

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

Background
==========

Boost is a set of C++ libraries, including the Boost.Regex library to
process regular expressions.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/boost < 1.74.0-r2 >= 1.74.0-r2

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

It was discovered that Boost incorrectly sanitized 'next_size' and
'max_size' parameter in ordered_malloc() function when allocating
memory.

Impact
======

A remote attacker could provide a specially crafted
application-specific file (requiring runtime memory allocation to be
processed correctly), that, when opened with an application using Boost
C++ source libraries, possibly resulting in execution of arbitrary code
with the privileges of the process or a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Boost users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/boost-1.74.0-r2"

References
==========

[ 1 ] CVE-2012-2677
https://nvd.nist.gov/vuln/detail/CVE-2012-2677

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

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

https://security.gentoo.org/glsa/202105-04

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 2021 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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