CVE-2020-12272

NameCVE-2020-12272
DescriptionOpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused by incorrect parsing and interpretation of SPF/DKIM authentication results, as demonstrated by the example.net(.example.com substring.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs977767

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
opendmarc (PTS)stretch1.3.2-2+deb9u2vulnerable
stretch (security)1.3.2-2+deb9u3vulnerable
buster, buster (security)1.3.2-6+deb10u1vulnerable
bullseye, sid1.4.0~beta1+dfsg-3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opendmarcsource(unstable)(unfixed)977767

Notes

[buster] - opendmarc <no-dsa> (Minor issue)
[stretch] - opendmarc <postponed> (Minor issue; can be fixed in next update)
https://sourceforge.net/p/opendmarc/tickets/237/
https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf
Fix: https://github.com/trusteddomainproject/OpenDMARC/commit/f3a9a9d4edfaa05102292727d021683f58aa4b6e

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