Acronis Snap Deploy PXE Server denial of service

acronissnap-pxeserver-dos (41075)

Medium Risk

Description:

Acronis Snap Deploy is vulnerable to a denial of service, caused by a NULL pointer dereference error in the PXE Server (pxesrv.exe). By sending a specially-crafted TFTP request, a remote attacker could exploit this vulnerability to cause the service to crash.

*CVSS:

Base Score:	5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	4.3
Exploitability:	Proof-of-Concept
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Denial of Service

Remedy:

No remedy available as of July 9, 2011.

References:

• Acronis Web site: Acronis Snap Deploy 2.0.
• Luigi Auriemma Advisories, 08 Mar 2008: Acronis PXE Server.
• BID-28182: Acronis Snap Deploy PXE Server TFTP Directory Traversal and Denial of Service Vulnerabilities
• CVE-2008-1411: The PXE Server (pxesrv.exe) in Acronis Snap Deploy 2.0.0.1076 and earlier allows remote attackers to cause a denial of service (crash) via an incomplete TFTP request, which triggers a NULL pointer dereference.
• SA29305: Acronis Snap Deploy PXE Server TFTP Vulnerabilities
• VUPEN/ADV-2008-0814: Acronis Snap Deploy Remote Directory Traversal and DoS Vulnerabilities

Platforms Affected:

• Acronis Acronis Snap Deploy 2.0.0.1076 and prior

Reported:

Mar 08, 2008

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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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