ntp crypto_recv() Autokey Stack Overflow Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1022243 |
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SecurityTracker URL: http://securitytracker.com/id/1022243
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CVE Reference:
CVE-2009-1252
(Links to External Site)
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Date: May 18 2009
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Impact:
Execution of arbitrary code via network, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): prior to 4.2.4p7, and 4.2.5 prior to 4.2.5p74
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Description:
A vulnerability was reported in ntp. A remote user can execute arbitrary code on the target system.
A remote user can send specially crafted data to the target ntpd server to trigger a stack overflow and execute arbitrary code on the target system. The code will run with the privileges of the target ntpd service.
Systems compiled with OpenSSL support and configured to use autokey are affected.
The vulnerability resides in 'ntpd/ntp_crypto.c'.
The original advisory is available at:
http://www.kb.cert.org/vuls/id/853097
Harland Stenn of isc.org and Chis Ries of CMU reported this vulnerability.
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Impact:
A remote user can execute arbitrary code on the target system.
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Solution:
The vendor has issued a fix (4.2.4p7 and 4.2.5p74), available at:
http://www.ntp.org/downloads.html
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Vendor URL: www.ntp.org/ (Links to External Site)
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Cause:
Boundary 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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Date: Mon, 18 May 2009 19:09:30 -0400
Subject: ntp ntpd
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http://www.kb.cert.org/vuls/id/853097
CVE-2009-1252
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