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Bug 1174546 - (CVE-2014-5354) CVE-2014-5354 krb5: NULL pointer dereference when using keyless entries
CVE-2014-5354 krb5: NULL pointer dereference when using keyless entries
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20141120,repor...
: Security
Depends On: 1174985 1176002
Blocks: 1174549
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Reported: 2014-12-15 21:39 EST by Murray McAllister
Modified: 2015-02-19 04:29 EST (History)
9 users (show)

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Doc Type: Bug Fix
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Last Closed: 2015-02-17 08:02:20 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Murray McAllister 2014-12-15 21:39:31 EST 
If kadmind were used with an LDAP back end for the KDC database, a remote, authenticated attacker could crash kadmind by inserting a principal entry with no long term keys.

It is reported that versions prior to 1.12 are not affected.

Upstream fix:

https://github.com/krb5/krb5/commit/04038bf3633c4b909b5ded3072dc88c8c419bf16

Reference:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=773228
Comment 3 Huzaifa S. Sidhpurwala 2014-12-19 00:15:30 EST 
Statement:

Not vulnerable. This issue does not affect the version of krb5 package as shipped with Red Hat Enterprise Linux 5, 6 and 7.
Comment 5 Huzaifa S. Sidhpurwala 2014-12-19 00:20:09 EST 
Created krb5 tracking bugs for this issue:

Affects: fedora-21 [bug 1176002]
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