Vulnerability Monitor

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CVE-2019-16378

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.

Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 4 products from trusteddomain, from debian, from fedoraproject and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-09-17T12:15:10.637

Last Modified

2024-11-21T04:30:36.060

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-290

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	trusteddomain	opendmarc	≤ 1.3.2	Yes
Application	trusteddomain	opendmarc	1.4.0	Yes
Application	trusteddomain	opendmarc	1.4.0	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	fedoraproject	fedora	29	Yes
Operating System	fedoraproject	fedora	30	Yes
Operating System	fedoraproject	fedora	31	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes

References

http://www.openwall.com/lists/oss-security/2019/09/17/2 Mailing List ([email protected])
https://bugs.debian.org/940081 Mailing List, Third Party Advisory ([email protected])
https://github.com/trusteddomainproject/OpenDMARC/pull/48 Patch, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HEWDFGRKQHIWKFZH5BNWQDGUPNR7VH3/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEUBIHJLMPMB6KHOSGDMUQKSAW4HOCYM/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7RT6ID7MBCEPNZEIUKK2TZIOCYPJR6E/ ([email protected])
https://seclists.org/bugtraq/2019/Sep/36 Mailing List, Third Party Advisory ([email protected])
https://usn.ubuntu.com/4567-1/ Third Party Advisory ([email protected])
https://www.debian.org/security/2019/dsa-4526 Third Party Advisory ([email protected])
https://www.openwall.com/lists/oss-security/2019/09/11/8 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/09/17/2 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.debian.org/940081 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/trusteddomainproject/OpenDMARC/pull/48 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HEWDFGRKQHIWKFZH5BNWQDGUPNR7VH3/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEUBIHJLMPMB6KHOSGDMUQKSAW4HOCYM/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7RT6ID7MBCEPNZEIUKK2TZIOCYPJR6E/ (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2019/Sep/36 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4567-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2019/dsa-4526 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2019/09/11/8 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For trusteddomain's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.