Sicherheit: Verwendung schwacher Verschlüsselung in kwalletd

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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <30f27c60-2e8c-f31b-3cb4-c84d9bbc382a@gentoo.org>
Subject: [ GLSA 201606-19 ] kwalletd: Information disclosure

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Gentoo Linux Security Advisory GLSA 201606-19
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https://security.gentoo.org/
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Severity: Normal
Title: kwalletd: Information disclosure
Date: June 27, 2016
Bugs: #496768
ID: 201606-19

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Synopsis
========

Kwalletd password stores are vulnerable to codebook attacks.

Background
==========

Kwalletd is is a credentials management application for KDE.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 kde-apps/kwalletd < 4.14.3-r2 >= 4.14.3-r2

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

Kwalletd in KWallet uses Blowfish with ECB mode instead of CBC mode
when encrypting the password store.

Impact
======

Local attackers, with access to the password store, could conduct a
codebook attack in order to obtain confidential passwords.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All kwalletd users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=kde-apps/kwalletd-4.14.3-r1"

References
==========

[ 1 ] CVE-2013-7252
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-7252

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

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

https://security.gentoo.org/glsa/201606-19

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 201606-19
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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: kwalletd: Information disclosure
Date: June 27, 2016
Bugs: #496768
ID: 201606-19

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

Kwalletd password stores are vulnerable to codebook attacks.

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

Kwalletd is is a credentials management application for KDE.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 kde-apps/kwalletd < 4.14.3-r2 >=3D
4.14.=
3-r2=20

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

Kwalletd in KWallet uses Blowfish with ECB mode instead of CBC mode
when encrypting the password store.

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

Local attackers, with access to the password store, could conduct a
codebook attack in order to obtain confidential passwords.

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 kwalletd users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
">=3Dkde-apps/kwalletd-4.14.3-r1"=

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

[ 1 ] CVE-2013-7252
<a class=3D"moz-txt-link-freetext" href=3D"http://nvd.nist.gov/nvd.=
cfm?cvename=3DCVE-2013-7252">http://nvd.nist.gov/nvd.cfm?cvename=3DCVE-20=
13-7252</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/201606-19">https://security.gentoo.org/glsa/201606-19</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>
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