• OpenDMARC vulnerability

    From boo_ubuntu@21:4/110 to Ubuntu Users on Tue Oct 6 00:10:04 2020
    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)