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[gentoo-announce] [ GLSA 201612-16 ] OpenSSL: Multiple vulnerabilities

Posted on 07 December 2016
Gentoo-announce

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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <ab8cfd6b-4560-bea6-1b09-33d9d3a28e88@gentoo.org>
Subject: [ GLSA 201612-16 ] OpenSSL: Multiple vulnerabilities

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Gentoo Linux Security Advisory GLSA 201612-16
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https://security.gentoo.org/
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Severity: Normal
Title: OpenSSL: Multiple vulnerabilities
Date: December 07, 2016
Bugs: #581234, #585142, #585276, #591454, #592068, #592074,
#592082, #594500, #595186
ID: 201612-16

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Synopsis
========
Multiple vulnerabilities have been found in OpenSSL, the worst of which
allows attackers to conduct a time based side-channel attack.

Background
==========
OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer
(SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general
purpose cryptography library.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/openssl < 1.0.2j >= 1.0.2j

Description
===========
Multiple vulnerabilities have been discovered in OpenSSL. Please review
the CVE identifiers and the International Association for Cryptologic
Research's (IACR) paper, "Make Sure DSA Signing Exponentiations Really
are Constant-Time" for further details.

Impact
======
Remote attackers could cause a Denial of Service condition or have
other unspecified impacts. Additionally, a time based side-channel
attack may allow a local attacker to recover a private DSA key.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All OpenSSL users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.0.2j"

References
==========
[ 1 ] CVE-2016-2105
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2105
[ 2 ] CVE-2016-2106
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2106
[ 3 ] CVE-2016-2107
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2107
[ 4 ] CVE-2016-2108
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2108
[ 5 ] CVE-2016-2109
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2109
[ 6 ] CVE-2016-2176
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2176
[ 7 ] CVE-2016-2177
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2177
[ 8 ] CVE-2016-2178
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2178
[ 9 ] CVE-2016-2180
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2180
[ 10 ] CVE-2016-2183
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2183
[ 11 ] CVE-2016-6304
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6304
[ 12 ] CVE-2016-6305
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6305
[ 13 ] CVE-2016-6306
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6306
[ 14 ] CVE-2016-7052
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7052
[ 15 ] Make Sure DSA Signing Exponentiations Really are Constant-Time
http://eprint.iacr.org/2016/594.pdf

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

https://security.gentoo.org/glsa/201612-16

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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Gentoo Linux Security Advisory GLSA 201612-16
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<a class="moz-txt-link-freet=ext" href="https://security.gentoo.org/">https://security.gentoo.org/</=a>
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Severity: Normal
Title: OpenSSL: Multiple vulnerabilities
Date: December 07, 2016
Bugs: #581234, #585142, #585276, #591454, #592068, #592074,
#592082, #594500, #595186
ID: 201612-16

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========
Multiple vulnerabilities have been found in OpenSSL, the worst of which
allows attackers to conduct a time based side-channel attack.

Background
==========
OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer
(SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general
purpose cryptography library.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/openssl < 1.0.2j >= 1.=0.2j

Description
===========
Multiple vulnerabilities have been discovered in OpenSSL. Please review
the CVE identifiers and the International Association for Cryptologic
Research's (IACR) paper, "Make Sure DSA Signing Exponentiations Really
are Constant-Time" for further details.

Impact
======
Remote attackers could cause a Denial of Service condition or have
other unspecified impacts. Additionally, a time based side-channel
attack may allow a local attacker to recover a private DSA key.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All OpenSSL users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.0.2j"

References
==========
[ 1 ] CVE-2016-2105
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-2105">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-2105</a>
[ 2 ] CVE-2016-2106
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-2106">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-2106</a>
[ 3 ] CVE-2016-2107
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-2107">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-2107</a>
[ 4 ] CVE-2016-2108
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-2108">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-2108</a>
[ 5 ] CVE-2016-2109
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-2109">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-2109</a>
[ 6 ] CVE-2016-2176
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-2176">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-2176</a>
[ 7 ] CVE-2016-2177
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-2177">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-2177</a>
[ 8 ] CVE-2016-2178
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-2178">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-2178</a>
[ 9 ] CVE-2016-2180
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-2180">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-2180</a>
[ 10 ] CVE-2016-2183
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-2183">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-2183</a>
[ 11 ] CVE-2016-6304
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-6304">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-6304</a>
[ 12 ] CVE-2016-6305
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-6305">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-6305</a>
[ 13 ] CVE-2016-6306
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-6306">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-6306</a>
[ 14 ] CVE-2016-7052
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd==2Ecfm?cvename=CVE-2016-7052">http://nvd.nist.gov/nvd.cfm?cvename=CVE=-2016-7052</a>
[ 15 ] Make Sure DSA Signing Exponentiations Really are Constant-Time
<a class="moz-txt-link-freetext" href="http://eprint.iacr.org/=2016/594.pdf">http://eprint.iacr.org/2016/594.pdf</a>

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

<a class="moz-txt-link-freetext" href="https://security.gentoo.org/g=lsa/201612-16">https://security.gentoo.org/glsa/201612-16</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 class="moz-txt-link-abbreviated" href="mailto:security@gentoo.org"=>security@gentoo.org</a> or alternatively, you may file a bug at
<a class="moz-txt-link-freetext" href="https://bugs.gentoo.org">https=://bugs.gentoo.org</a>.

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.

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