(Oracle Issues Fix for Oracle Linux) Kerberos kadmind Policy Processing Null Pointer Dereference Lets Remote Authenticated Users Deny Service
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SecurityTracker Alert ID: 1035453 |
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SecurityTracker URL: http://securitytracker.com/id/1035453
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CVE Reference:
CVE-2015-8630
(Links to External Site)
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Date: Apr 1 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:
Oracle has issued a fix.
The Oracle Linux advisory is available at:
http://linux.oracle.com/errata/ELSA-2016-0532.html
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Vendor URL: linux.oracle.com/errata/ELSA-2016-0532.html (Links to External Site)
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Cause:
Access control error
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Underlying OS: Linux (Oracle)
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Underlying OS Comments: 7
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Subject: [El-errata] ELSA-2016-0532 Moderate: Oracle Linux 7 krb5 security update
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Oracle Linux Security Advisory ELSA-2016-0532
http://linux.oracle.com/errata/ELSA-2016-0532.html
The following updated rpms for Oracle Linux 7 have been uploaded to the
Unbreakable Linux Network:
x86_64:
krb5-devel-1.13.2-12.el7_2.i686.rpm
krb5-devel-1.13.2-12.el7_2.x86_64.rpm
krb5-libs-1.13.2-12.el7_2.i686.rpm
krb5-libs-1.13.2-12.el7_2.x86_64.rpm
krb5-pkinit-1.13.2-12.el7_2.x86_64.rpm
krb5-server-1.13.2-12.el7_2.x86_64.rpm
krb5-server-ldap-1.13.2-12.el7_2.x86_64.rpm
krb5-workstation-1.13.2-12.el7_2.x86_64.rpm
SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/krb5-1.13.2-12.el7_2.src.rpm
Description of changes:
[1.13.2-12]
- Fix CVE-2015-8631, CVE-2015-8630, and CVE-2015-8629
- Remove obsolete trigger to enable building of package
- Resolves: #1306969
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