CVE-2018-9234 describes a vulnerability in GnuPG versions 2.2.4 and 2.2.5 where the software fails to enforce a security configuration requiring an offline master Certify key for key certification. This oversight allows for apparently valid certifications to occur using only a signing subkey, impacting canonical gnupg and ubuntu_linux distributions. With a CVSS score of 7.5 (HIGH), this vulnerability presents a significant risk (CWE-320) due to its network-based attack vector and low attack complexity, potentially leading to high confidentiality impacts. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.2.4CPE matchmatch criteria | cpe:2.3:a:gnupg:gnupg:2.2.4:*:*:*:*:*:*:* | ||
2.2.5CPE matchmatch criteria | cpe:2.3:a:gnupg:gnupg:2.2.5:*:*:*:*:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
17.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.