CVE-2019-20790

NameCVE-2019-20790
DescriptionOpenDMARC 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesELA-926-1
Debian Bugs977766

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
opendmarc (PTS)jessie, jessie (lts)1.3.0+dfsg-1+deb8u1vulnerable
stretch (security)1.3.2-2+deb9u3vulnerable
stretch (lts), stretch1.3.2+ds-0+deb9u1fixed
buster (security), buster, buster (lts)1.3.2-6+deb10u4vulnerable
bullseye1.4.0~beta1+dfsg-6+deb11u1fixed
bookworm1.4.2-2fixed
sid1.4.2-5fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opendmarcsourcestretch1.3.2+ds-0+deb9u1ELA-926-1
opendmarcsource(unstable)1.4.0~beta1+dfsg-4977766

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)

Search for package or bug name: Reporting problems