XLink Omni-NFS NFS server buffer overflow

xlink-nfsserver-bo (30083)

High Risk

Description:

XLink Omni-NFS is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the NFS server. By sending a specially-crafted packet, a remote attacker could overflow a buffer and execute arbitrary code on the system.

*CVSS:

Base Score:	10
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	9
Exploitability:	Functional
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of July 9, 2011.

References:

• Omni-NFS Web site: NFS Product Lists, NFS Client/Server, nfs gateway, x-server by xlink.
• BID-20941: Omni-NFS Server NFSD.EXE Stack Buffer Overflow Vulnerability
• CVE-2006-5780: Stack-based buffer overflow in nfsd.exe in XLink Omni-NFS Server 5.2 allows remote attackers to execute arbitrary code via a crafted TCP packet to port 2049 (nfsd), as demonstrated by vd_xlink.pm.
• SA22751: Omni-NFS NFS Server Buffer Overflow
• SECTRACK ID: 1017172: Omni-NFS Server Stack Overflow Lets Remote Users Execute Arbitrary Code
• VUPEN/ADV-2006-4380: XLink Omni-NFS Network Packets Handling Remote Buffer Overflow Vulnerability

Platforms Affected:

• XLink Technology Omni-NFS 4.2
• XLink Technology Omni-NFS Enterprise 5.2

Reported:

Nov 06, 2006

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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