Medium severity · published Apr 27, 2020
CVE-2020-12272
OpenDMARC 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
5.3
CVSS
2.2%
EPSS
No
On KEV
Description
OpenDMARC 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
33; 34 · source: NVD
OP
Opendmarc · Trusteddomain
1.0.0 through 1.3.2; 1.4.0; 1.4.0; 1.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12272
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-12272
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/08/msg00035.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/
Exploit
https://sourceforge.net/p/opendmarc/tickets/237/
Technical Description
https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf
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