| Name | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | ELA-926-1 |
| Debian Bugs | 977766 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| opendmarc (PTS) | jessie, jessie (lts) | 1.3.0+dfsg-1+deb8u1 | vulnerable |
| stretch (security) | 1.3.2-2+deb9u3 | vulnerable |
| stretch (lts), stretch | 1.3.2+ds-0+deb9u1 | fixed |
| buster | 1.3.2-6+deb10u2 | vulnerable |
| buster (security) | 1.3.2-6+deb10u4 | vulnerable |
| bullseye | 1.4.0~beta1+dfsg-6+deb11u1 | fixed |
| bookworm | 1.4.2-2 | fixed |
| sid | 1.4.2-4.1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - opendmarc <no-dsa> (Minor issue)
[stretch] - opendmarc <no-dsa> (Minor issue)
https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816
https://sourceforge.net/p/opendmarc/tickets/235/
https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf
Issue is disputed upstream and considered "work as designed" (wontfix)
https://github.com/trusteddomainproject/OpenDMARC/blob/develop/SECURITY/CVE-2019-20790
Upstream reconsidering position:
https://github.com/trusteddomainproject/OpenDMARC/issues/158
[jessie] - opendmarc <no-dsa> (Minor issue)