Sigurnosni nedostatak programskog paketa Mozilla Firefox

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Gentoo Linux Security Advisory GLSA 202101-04
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https://security.gentoo.org/
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Severity: Normal
Title: Mozilla Firefox: Remote code execution
Date: January 10, 2021
Bugs: #764161
ID: 202101-04

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Synopsis
========

A use-after-free in Mozilla Firefox’s SCTP handling may allow remote
code execution.

Background
==========

Mozilla Firefox is a popular open-source web browser from the Mozilla
project.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 www-client/firefox < 84.0.2 >= 78.6.1:0/esr78
>= 84.0.2
2 www-client/firefox-bin < 84.0.2 >= 78.6.1:0/esr78
>= 84.0.2
——————————————————————-
2 affected packages

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

A use-after-free bug was discovered in Mozilla Firefox’s handling of
SCTP.

Impact
======

A remote attacker 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 Firefox ESR users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot -v “>=www-client/firefox-78.6.1:0/esr78”

All Firefox ESR binary users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot -v “>=www-client/firefox-bin-78.6.1:0/esr78”

All Firefox users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=www-client/firefox-84.0.2”

All Firefox binary users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=www-client/firefox-bin-84.0.2”

References
==========

[ 1 ] CVE-2020-16044
https://nvd.nist.gov/vuln/detail/CVE-2020-16044
[ 2 ] MFSA-2021-01
https://www.mozilla.org/en-US/security/advisories/mfsa2021-01/

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

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

https://security.gentoo.org/glsa/202101-04

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
=======

The contents of this document are licensed under the
Creative Commons – Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5

<html><head><meta http-equiv=”Content-Type” content=”text/html; charset=us-ascii”></head><body style=”word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;” class=””><pre style=”word-wrap: break-word; white-space: pre-wrap;” class=””>- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Gentoo Linux Security Advisory GLSA 202101-04
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
<a href=”https://security.gentoo.org/” class=””>https://security.gentoo.org/</a>
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Severity: Normal
Title: Mozilla Firefox: Remote code execution
Date: January 10, 2021
Bugs: #764161
ID: 202101-04

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Synopsis
========

A use-after-free in Mozilla Firefox’s SCTP handling may allow remote
code execution.

Background
==========

Mozilla Firefox is a popular open-source web browser from the Mozilla
project.

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

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

A use-after-free bug was discovered in Mozilla Firefox’s handling of
SCTP.

Impact
======

A remote attacker 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 Firefox ESR users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot -v “>=www-client/firefox-78.6.1:0/esr78”

All Firefox ESR binary users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot -v “>=www-client/firefox-bin-78.6.1:0/esr78”

All Firefox users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=www-client/firefox-84.0.2”

All Firefox binary users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=www-client/firefox-bin-84.0.2”

References
==========

[ 1 ] CVE-2020-16044
<a href=”https://nvd.nist.gov/vuln/detail/CVE-2020-16044″ class=””>https://nvd.nist.gov/vuln/detail/CVE-2020-16044</a>
[ 2 ] MFSA-2021-01
<a href=”https://www.mozilla.org/en-US/security/advisories/mfsa2021-01/” class=””>https://www.mozilla.org/en-US/security/advisories/mfsa2021-01/</a>

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

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

<a href=”https://security.gentoo.org/glsa/202101-04″ class=””>https://security.gentoo.org/glsa/202101-04</a>

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
<a href=”mailto:security@gentoo.org” class=””>security@gentoo.org</a> or alternatively, you may file a bug at
<a href=”https://bugs.gentoo.org” class=””>https://bugs.gentoo.org</a>.

License
=======

The contents of this document are licensed under the
Creative Commons – Attribution / Share Alike license.

<a href=”https://creativecommons.org/licenses/by-sa/2.5″ class=””>https://creativecommons.org/licenses/by-sa/2.5</a></pre><div class=””><br class=””></div></body></html>—–BEGIN PGP SIGNATURE—–

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Sigurnosni nedostatak programskog paketa Mozilla Firefox

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