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Category:   Application (Generic)  >   ntp Vendors:   ntp.org
(IBM Issues Fix for IBM AIX) NTP Buffer Overflows Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1031736
SecurityTracker URL:  http://securitytracker.com/id/1031736
CVE Reference:   CVE-2014-9295   (Links to External Site)
Date:  Feb 11 2015
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 4.2.8
Description:   Several vulnerabilities were reported in NTP. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data to trigger a buffer overflow and execute arbitrary code on the target system. The code will run with the privileges of the target ntpd process.

A buffer overflow may occur in crypto_recv() when Autokey Authentication is enabled.

A buffer overflow may occur in ctl_putdata().

A buffer overflow may occur in configure().

Stephen Roettger of the Google Security Team reported these vulnerabilities.

Impact:   A remote user can execute arbitrary code on the target system with the privileges of the ntpd process.
Solution:   IBM has issued a fix.

The IBM advisory is available at:

https://aix.software.ibm.com/aix/efixes/security/ntp_advisory2.asc

Vendor URL:  support.ntp.org/bin/view/Main/SecurityNotice (Links to External Site)
Cause:   Boundary error
Underlying OS:  UNIX (AIX)
Underlying OS Comments:  5.3, 6.1, 7.1

Message History:   This archive entry is a follow-up to the message listed below.
Dec 20 2014 NTP Buffer Overflows Let Remote Users Execute Arbitrary Code



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