CVE-2018-9234 — Missing Cryptographic Step in Gnupg

CWE-320CWE-325 — Missing Cryptographic Step11 documents8 sources
Severity
7.5HIGHNVD
EPSS
0.2%
top 61.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
GnupgCanonical Ubuntu Linux
Timeline
PublishedApr 4
Latest updateMay 14

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 vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶Ubuntugnupg/gnupg< 1.4.16-1ubuntu2.5+1
▶NVDgnupg/gnupg2.2.4, 2.2.5+1

Also affects: Ubuntu Linux 14.04, 16.04, 17.10, 18.04

🔴Vulnerability Details

4
GHSA
GHSA-mq99-p8pq-jp4q: GnuPG 2↗2022-05-14
▶
OSV
gnupg, gnupg2 vulnerabilities↗2018-06-11
▶
CVEList
CVE-2018-9234: GnuPG 2↗2018-04-04
▶
OSV
CVE-2018-9234: GnuPG 2↗2018-04-04
▶

📋Vendor Advisories

3
Ubuntu
GnuPG vulnerabilities↗2018-06-11
▶
Red Hat
GnuPG: Unenforced configuration allows for apparently valid certifications actually signed by signing subkeys↗2018-03-19
▶
Debian
CVE-2018-9234: gnupg2 - GnuPG 2.2.4 and 2.2.5 does not enforce a configuration in which key certificatio...↗2018
▶

💬Community

3
Bugzilla
CVE-2018-9234 GnuPG: Unenforced configuration allows for apparently valid certifications actually signed by signing subkeys [fedora-all]↗2018-04-05
▶
Bugzilla
CVE-2018-9234 gnupg2: GnuPG: Unenforced configuration allows for apparently valid certifications actually signed by signing subkeys [fedora-all]↗2018-04-05
▶
Bugzilla
CVE-2018-9234 GnuPG: Unenforced configuration allows for apparently valid certifications actually signed by signing subkeys↗2018-04-05
▶