GLSA 202101-32: Mutt, NeoMutt: Information disclosure

http://security.gentoo.org/

Severity:	normal
Title:	Mutt, NeoMutt: Information disclosure
Date:	01/26/2021
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	Architecture(s)
mail-client/neomutt	< 20201120	>= 20201120	All supported architectures
mail-client/mutt	< 2.0.2	>= 2.0.2	All supported architectures

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

CVE-2020-28896

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202101-32.xml

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.