VulnerabilityModified
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.
HIGH 7.5EPSS 2.05%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 2.05% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-320
- Affected
- gnupg/gnupg · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- https://dev.gnupg.org/T3844Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/3675-1/Third Party Advisory
- https://dev.gnupg.org/T3844Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/3675-1/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.