| Name | CVE-2019-12098 |
| Description | In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_creds_pw.c. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DSA-4455-1 |
| NVD severity | medium (attack range: remote) |
| Debian Bugs | 929064 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| heimdal (PTS) | jessie (security), jessie | 1.6~rc2+dfsg-9+deb8u1 | vulnerable |
| stretch | 7.1.0+dfsg-13+deb9u2 | vulnerable | |
| stretch (security) | 7.1.0+dfsg-13+deb9u3 | fixed | |
| bullseye, sid, buster | 7.5.0+dfsg-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| heimdal | source | (unstable) | 7.5.0+dfsg-3 | medium | 929064 | |
| heimdal | source | stretch | 7.1.0+dfsg-13+deb9u3 | medium | DSA-4455-1 |
[jessie] - heimdal <no-dsa> (Minor issue)
Fixed by: https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf (7.6.0)
Introduced by: https://github.com/heimdal/heimdal/commit/a1ef548600c5bb51cf52a9a9ea12676506ede19f (1.4.0)