CVE-2019-12098

Published: May 15, 2019Modified: Apr 15, 2026

7.4

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitability: 2.2 / Impact: 5.2

Source: NVD

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.

Affected (9)

Products: Heimdal Project: Heimdal · Fedoraproject: Fedora · Opensuse: Backports Sle, Leap · +1 more

Show all products

Heimdal Project: Heimdal · Fedoraproject: Fedora · Opensuse: Backports Sle, Leap · Debian: Debian Linux

1 product

1 product

2 products

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Heimdal Project Heimdal	Before 7.6.0

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 30
Fedoraproject Fedora	Version 31

Configuration C

5 vulnerable

Vulnerable Software	Affected Versions
Opensuse Backports Sle	Version 15.0
Opensuse Backports Sle	Version 15.0 sp1
Opensuse Leap	Version 15.0
Opensuse Leap	Version 15.1
Opensuse Leap	Version 42.3

Configuration D

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 9.0

Related CWEs

CWE-295

Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

References (22)

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html

Source: cve@mitre.org

PatchVendor Advisory

https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf

Source: cve@mitre.org

PatchThird Party Advisory

https://github.com/heimdal/heimdal/compare/3e58559...bbafe72

Source: cve@mitre.org

PatchThird Party Advisory

https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0

Source: cve@mitre.org

Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/

Source: cve@mitre.org

https://seclists.org/bugtraq/2019/Jun/1

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://www.debian.org/security/2019/dsa-4455

Source: cve@mitre.org

Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html