Alerts This Week
Warning Icon 1 758
Alerts This Week
Warning Icon 1 758

Ubuntu 20.04 LTS USN-6356-1 Critical: OpenDMARC Input Issues

ubuntu
Calendar Grey September 11, 2023
Dist Ubuntu Esm H88
Multiple vulnerabilities addressed in OpenDMARC for Ubuntu 20.04 LTS and additional distributions. System security upgrade is strongly advised.
Several security issues were fixed in OpenDMARC.

Summary

Several security issues were fixed in OpenDMARC.

Software Description:

- opendmarc: Open Source implementation of the DMARC specification

Details:

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)

Topics%20covered

Topics Covered

security advisory critical threat email OpenDMARC

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
   libopendmarc2                   1.3.2-7ubuntu0.1
   opendmarc                       1.3.2-7ubuntu0.1

Ubuntu 18.04 LTS:
   libopendmarc2                   1.3.2-3ubuntu0.2
   opendmarc                       1.3.2-3ubuntu0.2

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   libopendmarc2                   1.3.1+dfsg-3ubuntu0.1~esm1
   opendmarc                       1.3.1+dfsg-3ubuntu0.1~esm1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6356-1

CVE-2020-12272, CVE-2020-12460

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6356-1

Topics%20covered

Topics Covered

security advisory critical threat email OpenDMARC

Package Information

https://launchpad.net/ubuntu/+source/opendmarc/1.3.2-7ubuntu0.1
https://launchpad.net/ubuntu/+source/opendmarc/1.3.2-3ubuntu0.2

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here