CVE-2019-16378 Security feature bypass in n/a
Attackers can bypass DMARC signature checks using multiple From addresses, potentially spoofing email origins in systems relying on this validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-16378?
CVE-2019-16378 is a critical vulnerability in Canonical Ubuntu Linux, published on 17 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OpenDMARC through 1.3.2 and 1.4.x through 1.4.0-Beta1 is prone to a signature-bypass vulnerability with multiple From: addresses, which might affect applications that consider a domain name to be relevant to the origin of an e-mail message.
Weakness: CWE-290
Which versions are affected by CVE-2019-16378?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Trusteddomain Opendmarc.
How do I fix CVE-2019-16378?
Apply the vendor's patch.
Is CVE-2019-16378 being exploited?
There is no known exploitation of CVE-2019-16378 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-16378, DSA-4526-1, GHSA-x9f6-xw7x-fm76, UBUNTU-CVE-2019-16378, USN-4567-1.