Bug 1710839 (CVE-2019-12098) - CVE-2019-12098 heimdal: man-in-the-middle attack in function krb5_init_creds_step in lib/krb5/init_creds_pw.c
Summary: CVE-2019-12098 heimdal: man-in-the-middle attack in function krb5_init_creds...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2019-12098
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1710841 1710843
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-05-16 12:13 UTC by Dhananjay Arunesh
Modified: 2020-01-07 07:54 UTC (History)
4 users (show)

Fixed In Version:
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Last Closed: 2019-06-10 10:55:35 UTC
Embargoed:

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Description Dhananjay Arunesh 2019-05-16 12:13:07 UTC 
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.

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

Upstream commit:
https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf
Comment 1 Dhananjay Arunesh 2019-05-16 12:13:53 UTC 
Created heimdal tracking bugs for this issue:

Affects: fedora-all [bug 1710841]


Created heimdall tracking bugs for this issue:

Affects: fedora-all [bug 1710842]
Comment 2 Dhananjay Arunesh 2019-05-16 12:14:13 UTC 
Created heimdal tracking bugs for this issue:

Affects: epel-all [bug 1710843]
Comment 3 Product Security DevOps Team 2019-06-10 10:55:35 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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