opendmarc vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
* Ubuntu 18.04 LTS
Summary
OpenDMARC could allow signature bypass under certain conditions.
Software Description
* opendmarc - Open Source implementation of the DMARC
specification
Details
It was discovered that OpenDMARC is prone to a signature-bypass
vulnerability with multiple "From:" addresses. An attacker could
use it to bypass spam and abuse filters.
Update instructions
The problem can be corrected by updating your system to the
following package versions:
Ubuntu 18.04 LTS
libopendmarc2 - 1.3.2-3ubuntu0.1
opendmarc - 1.3.2-3ubuntu0.1
rddmarc - 1.3.2-3ubuntu0.1
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary
changes.
References
* CVE-2019-16378
--- Mystic BBS v1.12 A46 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)