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To:
gentoo-announce@lists.gentoo.org
Subject: [ GLSA 202101-32 ] Mutt, NeoMutt: Information disclosure
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Gentoo Linux Security Advisory GLSA 202101-32
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https://security.gentoo.org/
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Severity: Normal
Title: Mutt, NeoMutt: Information disclosure
Date: January 26, 2021
Bugs: #755833, #755866
ID: 202101-32
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Synopsis
========
A weakness was discovered in Mutt and NeoMutt's TLS handshake handling
Background
==========
Mutt is a small but very powerful text-based mail client.
NeoMutt is a command line mail reader (or MUA). It’s a fork of Mutt
with added features.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-client/mutt < 2.0.2 >= 2.0.2
2 mail-client/neomutt < 20201120 >= 20201120
-------------------------------------------------------------------
2 affected packages
Description
===========
A weakness in TLS handshake handling was found which may allow
information disclosure.
Impact
======
A remote attacker may be able to cause information disclosure.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Mutt users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/mutt-2.0.2"
All NeoMutt users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/neomutt-20201120"
References
==========
[ 1 ] CVE-2020-28896
https://nvd.nist.gov/vuln/detail/CVE-2020-28896
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202101-32
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 2021 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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<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></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="
">To: <a href="mailto:
gentoo-announce@lists.gentoo.org" class="">
gentoo-announce@lists.gentoo.org</a>
Subject: [ GLSA 202101-32 ] Mutt, NeoMutt: Information disclosure
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 202101-32
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
<a href="
https://security.gentoo.org/" class="">
https://security.gentoo.org/</a>
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: Mutt, NeoMutt: Information disclosure
Date: January 26, 2021
Bugs: #755833, #755866
ID: 202101-32
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
A weakness was discovered in Mutt and NeoMutt's TLS handshake handling
Background
==========
Mutt is a small but very powerful text-based mail client.
NeoMutt is a command line mail reader (or MUA). It’s a fork of Mutt
with added features.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-client/mutt < 2.0.2 >= 2.0.2
2 mail-client/neomutt < 20201120 >= 20201120
-------------------------------------------------------------------
2 affected packages
Description
===========
A weakness in TLS handshake handling was found which may allow
information disclosure.
Impact
======
A remote attacker may be able to cause information disclosure.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Mutt users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/mutt-2.0.2"
All NeoMutt users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/neomutt-20201120"
References
==========
[ 1 ] CVE-2020-28896
<a href="
https://nvd.nist.gov/vuln/detail/CVE-2020-28896" class="">
https://nvd.nist.gov/vuln/detail/CVE-2020-28896</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/202101-32" class="">
https://security.gentoo.org/glsa/202101-32</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
=======
Copyright 2021 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 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>
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