Net-snmp SNMPv3 Authentication Bug Lets Remote Users Bypass Authentication
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SecurityTracker Alert ID: 1020218
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SecurityTracker URL: http://securitytracker.com/id?1020218
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CVE Reference: CVE-2008-0960
(Links to External Site)
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Date: Jun 10 2008
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Impact: User access via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 4.0 and later versions
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Description: A vulnerability was reported in Net-snmp. A remote user can bypass authentication.
A remote user can send an SNMPv3 packet with a specially crafted Hash Message Authentication Code (HMAC) value to bypass the authentication
function. The user can read and modify SNMP objects with the privileges of the target user.
UCD-SNMP is also affected.
SNMPv1
and SNMPv2 are not affected.
Wes Hardaker reported this vulnerability.
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Impact: A remote user can bypass authentication.
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Solution: The vendor has issued a fixed version (5.4.1.1).
The vendor's advisory is available at:
http://sourceforge.net/forum/forum.php?forum_id=833770
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Vendor URL: sourceforge.net/forum/forum.php?forum_id=833770 (Links to External Site)
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Cause: Authentication 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: Tue, 10 Jun 2008 12:52:57 -0400
Subject: Net-SNMP
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http://sourceforge.net/forum/forum.php?forum_id=833770
CVE-2008-0960
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