Kerberos kadmind Policy Processing Null Pointer Dereference Lets Remote Authenticated Users Deny Service
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SecurityTracker Alert ID: 1034915 |
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SecurityTracker URL: http://securitytracker.com/id/1034915
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CVE Reference:
CVE-2015-8630
(Links to External Site)
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Date: Feb 2 2016
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes
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Description:
A vulnerability was reported in Kerberos. A remote authenticated user can cause denial of service conditions on the target system.
A remote authenticated user with permission to modify a principal entry can send specially crafted data with a null policy value but with KADM5_POLICY set to trigger a null pointer dereference in kadm5_modify_principal() and cause the target kadmind service to crash.
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Impact:
A remote authenticated user can cause denial of service conditions on the target kadmind service.
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Solution:
The vendor has issued a source code fix, available at:
https://github.com/krb5/krb5/commit/b863de7fbf080b15e347a736fdda0a82d42f4f6b
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Vendor URL: web.mit.edu/kerberos/ (Links to External Site)
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Cause:
Access control error
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Underlying OS: Linux (Any), UNIX (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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[Original Message Not Available for Viewing]
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