CVE-2019-20790

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.

References

https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf

https://sourceforge.net/p/opendmarc/tickets/235/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/

https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3