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CVE-2019-12098

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Date: May 15, 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.

Language: C

Severity Score

Related Resources (18)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/
http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html
https://nvd.nist.gov/vuln/detail/CVE-2019-12098
https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf
https://security-tracker.debian.org/tracker/CVE-2019-12098
https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-12098
https://seclists.org/bugtraq/2019/Jun/1
https://github.com/heimdal/heimdal/compare/3e58559...bbafe72
https://security.alpinelinux.org/vuln/CVE-2019-12098
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html
https://www.debian.org/security/2019/dsa-4455
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/
https://www.mend.io/vulnerability-database/CVE-2019-12098

Severity Score

Weakness Type (CWE)

Key Management Errors

CWE-320

Insufficient Information

NVD-CWE-noinfo

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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