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Gentoo Linux Security Advisory 202003-34

Gentoo Linux Security Advisory 202003-34
Posted Mar 16, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202003-34 - Multiple vulnerabilities have been found in Squid, the worst of which could lead to arbitrary code execution. Versions less than 4.10 are affected.

tags | advisory, arbitrary, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2019-12526, CVE-2019-12528, CVE-2019-18678, CVE-2019-18679, CVE-2020-8449, CVE-2020-8450, CVE-2020-8517
SHA-256 | 75240e0416b3fb5f8be101638fda3295dca71eb0dee0fffeb95657098130ceb0

Gentoo Linux Security Advisory 202003-34

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 202003-34
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https://security.gentoo.org/
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Severity: Normal
Title: Squid: Multiple vulnerabilities
Date: March 16, 2020
Bugs: #699854, #708296
ID: 202003-34

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Synopsis
========

Multiple vulnerabilities have been found in Squid, the worst of which
could lead to arbitrary code execution.

Background
==========

Squid is a full-featured Web proxy cache designed to run on Unix
systems. It supports proxying and caching of HTTP, FTP, and other URLs,
as well as SSL support, cache hierarchies, transparent caching, access
control lists and many other features.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-proxy/squid < 4.10 >= 4.10

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

Multiple vulnerabilities have been discovered in Squid. Please review
the CVE identifiers referenced below for details.

Impact
======

A remote attacker, by sending a specially crafted request, could
possibly execute arbitrary code with the privileges of the process,
obtain sensitive information or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Squid users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-proxy/squid-4.10"

References
==========

[ 1 ] CVE-2019-12526
https://nvd.nist.gov/vuln/detail/CVE-2019-12526
[ 2 ] CVE-2019-12528
https://nvd.nist.gov/vuln/detail/CVE-2019-12528
[ 3 ] CVE-2019-18678
https://nvd.nist.gov/vuln/detail/CVE-2019-18678
[ 4 ] CVE-2019-18679
https://nvd.nist.gov/vuln/detail/CVE-2019-18679
[ 5 ] CVE-2020-8449
https://nvd.nist.gov/vuln/detail/CVE-2020-8449
[ 6 ] CVE-2020-8450
https://nvd.nist.gov/vuln/detail/CVE-2020-8450
[ 7 ] CVE-2020-8517
https://nvd.nist.gov/vuln/detail/CVE-2020-8517

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

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

https://security.gentoo.org/glsa/202003-34

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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