| Name | CVE-2018-9234 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | ELA-636-1 |
| Debian Bugs | 894983 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gnupg2 (PTS) | jessie, jessie (lts) | 2.0.26-6+deb8u3 | fixed |
| stretch (security) | 2.1.18-8~deb9u2 | vulnerable |
| stretch (lts), stretch | 2.1.18-8~deb9u5 | fixed |
| buster (security), buster, buster (lts) | 2.2.12-1+deb10u2 | fixed |
| bullseye (security), bullseye | 2.2.27-2+deb11u2 | fixed |
| bookworm | 2.2.40-1.1 | fixed |
| sid, trixie | 2.2.45-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - gnupg2 <no-dsa> (Minor issue)
[jessie] - gnupg2 <no-dsa> (Minor issue)
[wheezy] - gnupg2 <no-dsa> (Minor issue)
https://dev.gnupg.org/T3844
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=a17d2d1f690ebe5d005b4589a5fe378b6487c657