CVE-2019-12098

· HIGHModified

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CVSS v3.1

7.4

EPSS

1.98%

Published

May 15, 2019

Modified

Apr 15, 2026

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

CVSS Vector

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

Weaknesses (CWE)

CWE-295

Affected Products (9)

heimdal_project · heimdal (up to 7.6.0)vulnerable

fedoraproject · fedoravulnerable

opensuse · backports_slevulnerable

opensuse · leapvulnerable

debian · debian_linuxvulnerable

References (20)

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

Mailing ListThird Party Advisory

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

Mailing ListThird Party Advisory

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

Mailing ListThird Party Advisory

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

PatchVendor Advisory

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

PatchThird Party Advisory

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

PatchThird Party Advisory

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

Third Party Advisory

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

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

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

Mailing ListThird Party Advisory

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

Third Party Advisory

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

Mailing ListThird Party Advisory

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

Mailing ListThird Party Advisory

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

Mailing ListThird Party Advisory

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

PatchVendor Advisory

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

PatchThird Party Advisory

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

PatchThird Party Advisory

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

Third Party Advisory

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

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

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