Vulnerability in Gnupg
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, which results in apparently valid certifications that occurred only with access to a signing subkey.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.020 (79.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.020 · change: -0.001
Affected products
- Gnupg — versions 2.2.4, 2.2.5
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- dev.gnupg.org/T3844 (Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/3675-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-9234?
- CVE-2018-9234 is a high-severity vulnerability in Gnupg, classified under CWE-320. CVSS score: 7.5/10. Published 2018-04-04.
- How severe is CVE-2018-9234?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-9234 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.