(HP Issues Fix for HP-UX) Samba FD_SET Stack Corruption Flaw Lets Remote and Local Users Deny Service
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SecurityTracker Alert ID: 1025666 |
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SecurityTracker URL: http://securitytracker.com/id/1025666
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CVE Reference:
CVE-2011-0719
(Links to External Site)
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Date: Jun 16 2011
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 3.0.x - 3.5.x
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Description:
A vulnerability was reported in Samba. A local user, remote authenticated user, or remote guest user can cause denial of service conditions.
The FD_SET macro does not implement range checks on file descriptors. A local user, remote authenticated user, or remote guest user can corrupt the stack to cause Samba to crash or enter an infinite loop.
Volker Lendecke of SerNet reported this vulnerability.
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Impact:
A local user, remote authenticated user, or remote guest user can cause the service to crash or enter an infinite loop.
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Solution:
HP has issued a fix for HP-UX.
A.02.03.06, for 11i v1:
B8725AA_A.02.03.06_HP-UX_B.11.11_32_64.depot
A.02.04.04, for 11i v1:
B8725AA_A.02.04.04_HP-UX_B.11.11_32_64.depot
A.02.04.04, for 11i v2:
B8725AA_A.02.04.04_HP-UX_B.11.23_IA_PA.depot
A.02.04.04, for 11i v3:
CIFS-SERVER_A.02.04.04_HP-UX_B.11.31_IA_PA.depot
A.03.01.01, for 11i v2:
B8725AA_A.03.01.01_HP-UX_B.11.23_IA_PA.depot
A.03.01.01, for 11i v3:
CIFS-SERVER_A.03.01.01_HP-UX_B.11.31_IA_PA.depot
The HP advisory is available at:
http://www13.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02787667
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Vendor URL: samba.org/samba/security/CVE-2011-0719.html (Links to External Site)
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Cause:
Input validation error, State error
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Underlying OS:
UNIX (HP/UX)
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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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Date: Thu, 16 Jun 2011 19:50:12 +0000
Subject: HPSBUX02657 SSRT100460 rev.1 - CIFS Server (Samba), Remote Execution of Arbitrary Code, Denial of Service (DoS)
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http://www13.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02787667
CVE-2010-2063, CVE-2010-3069, CVE-2011-0719
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