CVE-2022-48521
CVSS 3.1 Score 5.3 of 10 (medium)
Details
Published Jul 11, 2023
Updated: Dec 3, 2023
Summary
CVE-2022-48521 is a vulnerability affecting OpenDKIM versions 2.10.3 and 2.11.x through 2.11.0-Beta2. The issue arises due to a tracking problem with ordinal numbers in OpenDKIM's handling of Authentication-Results header fields. Maliciously crafted e-mail messages can exploit this vulnerability by including fake sender addresses with forged Authentication-Results headers. Subsequently, software relying on OpenDKIM for signature validation may incorrectly assume that the message possesses a valid DKIM signature, despite it being nonexistent.
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Affected Products
- OpenDKIM OpenDKIM
Advisories, Assessments, and Mitigations
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