Lack of Key Certification Enforcement in GnuPG 2.2.4 and 2.2.5

CVE-2018-9234 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:N

GnuPG 2.2.4 and 2.2.5 does not enforce a configuration in which key certification requires an offline master Certify key, which results in apparently valid certifications that occurred only with access to a signing subkey.

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