Your submission was sent successfully! Close

You have successfully unsubscribed! Close

CVE-2019-12098

Published: 15 May 2019

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.

Notes

AuthorNote
leosilva
it fails with a FTBFS on certs tests. This issue is probably related:
https://github.com/heimdal/heimdal/issues/533.

Priority

Low

Cvss 3 Severity Score

7.4

Score breakdown

Status

Package Release Status
heimdal
Launchpad, Ubuntu, Debian
bionic
Released (7.5.0+dfsg-1ubuntu0.1)
cosmic Ignored
(reached end-of-life)
disco Ignored
(reached end-of-life)
eoan Not vulnerable
(7.5.0+dfsg-3build1)
focal Not vulnerable
(7.5.0+dfsg-3build1)
groovy Not vulnerable
(7.5.0+dfsg-3build1)
hirsute Not vulnerable
(7.5.0+dfsg-3build1)
impish Not vulnerable
(7.5.0+dfsg-3build1)
jammy Not vulnerable
(7.5.0+dfsg-3build1)
kinetic Not vulnerable
(7.5.0+dfsg-3build1)
precise Ignored
(end of ESM support, was needed)
trusty
Released (1.6~git20131207+dfsg-1ubuntu1.2+esm1)
upstream
Released (7.6)
xenial
Released (1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1)
Patches:
upstream: https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf

Severity score breakdown

Parameter Value
Base score 7.4
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N