(IBM Issues Fix for AIX) Kerberos telnetd Grants Access to Remote Users
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SecurityTracker Alert ID: 1017861 |
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SecurityTracker URL: http://securitytracker.com/id/1017861
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CVE Reference:
CVE-2007-0956
(Links to External Site)
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Date: Apr 3 2007
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Impact:
Root access via network, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): krb5 prior to krb5-1.6.1
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Description:
A vulnerability was reported in Kerberos in the telnet daemon. A remote user can bypass authentication and gain access to the target system.
A remote user can invoke telnet and set a specially crafted username that begins with '-e' to gain remote access to the specified username account on the target system.
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Impact:
A remote user can gain access to the target system.
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Solution:
IBM has issued the following fixes.
For AIX 5.2.0: Install Network Authentication Service version 1.4.0.6 or 1.3.0.6.
For AIX 5.3.0: Install Network Authentication Service version 1.3.0.6 or 1.4.0.6. Version 1.4.0.6 will available on the AIX 5L for POWER V5.3 Expansion Pack in November 2007.
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Vendor URL: web.mit.edu/kerberos/advisories/MITKRB5-SA-2007-001-telnetd.txt (Links to External Site)
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Cause:
Authentication error, State error
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Underlying OS: UNIX (AIX)
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Underlying OS Comments: 5.2, 5.3
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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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[Original Message Not Available for Viewing]
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