Sicherheit: Mehrere Probleme in Tor

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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <91c53ba3-22d6-c4c1-336f-2271c8837ee6@gentoo.org>
Subject: [ GLSA 201612-45 ] Tor: Multiple vulnerabilities

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Gentoo Linux Security Advisory GLSA 201612-45
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https://security.gentoo.org/
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Severity: Normal
Title: Tor: Multiple vulnerabilities
Date: December 24, 2016
Bugs: #591008, #597394, #597524
ID: 201612-45

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Synopsis
========

Multiple vulnerabilities were found in Tor, the worst of which could
allow remote attackers to cause a Denial of Service condition.

Background
==========

Tor is an implementation of second generation Onion Routing, a
connection-oriented anonymizing communication service.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/tor < 0.2.8.9 >= 0.2.8.9

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

Multiple vulnerabilities have been discovered in Tor. Please review the
CVE identifier and change log referenced below for details.

Impact
======

A remote attacker could possibly cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Tor users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/tor-0.2.8.9"

References
==========

[ 1 ] CVE-2016-8860
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8860
[ 2 ] Tor 0.2.8.9 Change Log
https://raw.githubusercontent.com/torproject/tor/tor-0.2.8.9/ChangeLog

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

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

https://security.gentoo.org/glsa/201612-45

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 2016 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.

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

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<pre style=3D"color: rgb(0, 0, 0); font-style: normal;
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igatures: normal; font-variant-caps: normal; font-weight: normal; letter-=
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Gentoo Linux Security Advisory GLSA 201612-45
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<a
class=3D"moz-txt-link-freet=
ext" href=3D"https://security.gentoo.org/">https://security.gentoo.org/</=
a>
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Severity: Normal
Title: Tor: Multiple vulnerabilities
Date: December 24, 2016
Bugs: #591008, #597394, #597524
ID: 201612-45

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Synopsis
=3D=3D=3D=3D=3D=3D=3D=3D

Multiple vulnerabilities were found in Tor, the worst of which could
allow remote attackers to cause a Denial of Service condition.

Background
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Tor is an implementation of second generation Onion Routing, a
connection-oriented anonymizing communication service.

Affected packages
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/tor < 0.2.8.9 >=3D
0.2=
=2E8.9=20

Description
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Multiple vulnerabilities have been discovered in Tor. Please review the
CVE identifier and change log referenced below for details.

Impact
=3D=3D=3D=3D=3D=3D

A remote attacker could possibly cause a Denial of Service condition.

Workaround
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

There is no known workaround at this time.

Resolution
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

All Tor users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=3Dnet-misc/tor-0.2.8.9"

References
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

[ 1 ] CVE-2016-8860
<a class=3D"moz-txt-link-freetext" href=3D"http://nvd.nist.gov/nvd.=
cfm?cvename=3DCVE-2016-8860">http://nvd.nist.gov/nvd.cfm?cvename=3DCVE-20=
16-8860</a>
[ 2 ] Tor 0.2.8.9 Change Log
<a class=3D"moz-txt-link-freetext" href=3D"https://raw.githubuserco=
ntent.com/torproject/tor/tor-0.2.8.9/ChangeLog">https://raw.githubusercon=
tent.com/torproject/tor/tor-0.2.8.9/ChangeLog</a>

Availability
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

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

<a class=3D"moz-txt-link-freetext" href=3D"https://security.gentoo.org/g=
lsa/201612-45">https://security.gentoo.org/glsa/201612-45</a>

Concerns?
=3D=3D=3D=3D=3D=3D=3D=3D=3D

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 class=3D"moz-txt-link-abbreviated"
href=3D"mailto:security@gentoo.org"=
>security@gentoo.org</a> or alternatively, you may file a bug at
<a class=3D"moz-txt-link-freetext" href=3D"https://bugs.gentoo.org">https=
://bugs.gentoo.org</a>.

License
=3D=3D=3D=3D=3D=3D=3D

Copyright 2016 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.

<a class=3D"moz-txt-link-freetext" href=3D"http://creativecommons.org/lic=
enses/by-sa/2.5">http://creativecommons.org/licenses/by-sa/2.5</a></pre>
</body>
</html>

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