CVE-2019-20790
First published: Mon Apr 27 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Trusteddomain Opendmarc | >=1.3.0<=1.3.2 | |
| Trusteddomain Opendmarc | =1.4.0 | |
| Pypolicyd-spf Project Pypolicyd-spf | =2.0.2 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 |
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Reference Links
- https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/
- https://sourceforge.net/p/opendmarc/tickets/235/
- https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/
Frequently Asked Questions
What is CVE-2019-20790?
CVE-2019-20790 is a vulnerability in OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, that allows attacks to bypass SPF and DMARC authentication.
How does CVE-2019-20790 affect Trusteddomain Opendmarc?
Trusteddomain Opendmarc versions 1.3.0 through 1.3.2 are affected by CVE-2019-20790.
Which version of Pypolicyd-spf is affected by CVE-2019-20790?
Pypolicyd-spf version 2.0.2 is affected by CVE-2019-20790.
Is Fedora version 33 affected by CVE-2019-20790?
Yes, Fedora version 33 is affected by CVE-2019-20790.
What is the severity of CVE-2019-20790?
CVE-2019-20790 is considered critical with a severity value of 9.8.
- collector/nvd-index
- agent/references
- agent/severity
- agent/weakness
- agent/author
- agent/tags
- agent/event
- agent/type
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- vendor/trusteddomain
- canonical/trusteddomain opendmarc
- version/trusteddomain opendmarc/1.3.0
- version/trusteddomain opendmarc/1.3.2
- version/trusteddomain opendmarc/1.4.0
- vendor/pypolicyd-spf project
- canonical/pypolicyd-spf project pypolicyd-spf
- version/pypolicyd-spf project pypolicyd-spf/2.0.2
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34