Home/CVE/GnuPG 2.2.4 and 2.2.5 does not enforce a configuration in which key certification requires an offline master Certify key
CVE

CVE-2018-9234

GnuPG 2.2.4 and 2.2.5 does not enforce a configuration in which key certification requires an offline master Certify key

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.

HIGH · CVSS 7.5 EPSS 0.0017
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

2
gnupgall versions
canonical ubuntu linuxall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Apr 2018 · 12:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

4
siemens-csafSSA-202008
suse-csafopenSUSE-SU-2024:10815-1
suse-csafSUSE-SU-2023:3857-1
usnUSN-3675-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://dev.gnupg.org/T3844Issue TrackingThird Party Advisory
https://usn.ubuntu.com/3675-1/Third Party Advisory
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