CVE-2019-20790

CRITICAL

9.8

Description

OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/27/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

fedoraproject:fedorapypolicyd-spf_project:pypolicyd-spftrusteddomain:opendmarc

Weaknesses (CWE)

CWE-290

References

https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/(cve@mitre.org)

https://sourceforge.net/p/opendmarc/tickets/235/(cve@mitre.org)

https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf(cve@mitre.org)

https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/(af854a3a-2127-422b-91ae-364da2661108)

https://sourceforge.net/p/opendmarc/tickets/235/(af854a3a-2127-422b-91ae-364da2661108)

https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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