[manjaro-security] [ASA-201902-22] msmtp: certificate verification bypass

[Morten Linderud]

Arch Linux Security Advisory ASA-201902-22
==========================================

Severity: High
Date    : 2019-02-17
CVE-ID  : CVE-2019-8337
Package : msmtp
Type    : certificate verification bypass
Remote  : Yes
Link    : https://security.archlinux.org/AVG-905

Summary
=======

The package msmtp before version 1.8.3-1 is vulnerable to certificate
verification bypass.

Resolution
==========

Upgrade to 1.8.3-1.

# pacman -Syu "msmtp>=1.8.3-1"

The problem has been fixed upstream in version 1.8.3.

Workaround
==========

None.

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

In msmtp 1.8.2, when tls_trust_file has its default configuration,
certificate-verification results are not properly checked.

Impact
======

The default configuration would omit certification verification.

References
==========

https://marlam.de/msmtp/news/
https://gitlab.marlam.de/marlam/msmtp/commit/a81d0a5126304f9f8b29a75d058044dc67d07663
https://security.archlinux.org/CVE-2019-8337
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