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Bug 1551083 - (CVE-2018-5729) CVE-2018-5729 krb5: null dereference in kadmind or DN container check bypass by supplying special crafted data
CVE-2018-5729 krb5: null dereference in kadmind or DN container check bypass ...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20180301,reported=2...
: Security
Depends On: 1551084 1551085 1562684 1562685
Blocks: 1551090
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Reported: 2018-03-02 12:14 EST by Laura Pardo
Modified: 2018-10-30 03:29 EDT (History)
40 users (show)

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:3071 None None None 2018-10-30 03:29 EDT

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Description Laura Pardo 2018-03-02 12:14:13 EST 
A flaw was found in MIT krb5 1.6 or later, an authenticated kadmin user with permission to add principals to an LDAP Kerberos database can cause a null dereference in kadmind, or circumvent a DN container check, by supplying tagged data intended to be internal to the database module.


Reference:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869

Upstream patch:
https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1
Comment 1 Laura Pardo 2018-03-02 12:15:46 EST 
Created krb5 tracking bugs for this issue:

Affects: fedora-all [bug 1551084]
Comment 3 Robbie Harwood 2018-03-02 12:46:17 EST 
This is identical to https://bugzilla.redhat.com/show_bug.cgi?id=1535575
Comment 6 errata-xmlrpc 2018-10-30 03:29:43 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3071 https://access.redhat.com/errata/RHSA-2018:3071
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