Security features bypass in opendkim - CVE-2022-48521

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Main Vulnerability Database Vulnerabilities #VU83527

Security features bypass in opendkim - CVE-2022-48521

Published: November 28, 2023


Vulnerability identifier: #VU83527
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-48521
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
opendkim
Software vendor:
www.opendkim.org

Description

The vulnerability allows a remote attacker to bypass implemented security measures.

The vulnerability exists due to improper tracking of ordinal numbers when removing fake Authentication-Results header fields. A remote attacker can create a specially crafted e-mail message with a fake sender address that will be treated as a message having a valid DKIM signature by software that relies on Authentication-Results from OpenDKIM.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links