[USN-6356-1] OpenDMARC vulnerabilities
allen.huang at canonical.com
Mon Sep 11 12:56:49 UTC 2023
Ubuntu Security Notice USN-6356-1
September 11, 2023
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
Several security issues were fixed in OpenDMARC.
- opendmarc: Open Source implementation of the DMARC specification
Jianjun Chen, Vern Paxson and Jian Jiang discovered that OpenDMARC
incorrectly handled certain inputs. If a user or an automated system were
tricked into receiving crafted inputs, an attacker could possibly use this
to falsify the domain of an e-mails origin. (CVE-2020-12272)
Patrik Lantz discovered that OpenDMARC incorrectly handled certain inputs.
If a user or an automated system were tricked into opening a specially
crafted input file, a remote attacker could possibly use this issue to
cause a denial of service. (CVE-2020-12460)
The problem can be corrected by updating your system to the following
Ubuntu 20.04 LTS:
Ubuntu 18.04 LTS:
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
In general, a standard system update will make all the necessary changes.
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