Polycom ViewStation Telnet server unlimited login attempts denial of service

viewstation-telnet-login-dos (9349)

Medium Risk

Description:

Polycom ViewStation is vulnerable to a denial of service. By making multiple connections to the server, a remote attacker could exploit this vulnerability to cause the service to crash.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	2.6
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Refer to Internet Security Systems Security Advisory, September 4, 2002 for upgrade and workaround information. See References.

References:

• CIAC Information Bulletin M-123: Polycom Videoconferencing Remote Vulnerabilities.
• Internet Security Systems Security Advisory, September 4, 2002: Multiple Remote Vulnerabilities in Polycom Videoconferencing Products.
• Polycom Web site: Polycom Worldwide Resource Center.
• Polycom® Security Advisory 02-001: Disabling Remote Access on Polycom ViewStation Systems.
• BID-5636: Polycom ViewStation Telnet Denial of Service Vulnerability
• CVE-2002-0629: The Telnet service for Polycom ViewStation before 7.2.4 allows remote attackers to cause a denial of service (crash) via multiple connections to the server.
• OSVDB ID: 11890: Polycom ViewStation Telnet Service Connection Saturation DoS

Platforms Affected:

• Polycom Viewstation 128 6.5.1
• Polycom Viewstation 128 7.2
• Polycom Viewstation 512 6.5.1
• Polycom Viewstation 512 7.2
• Polycom Viewstation DCP 6.5.1
• Polycom Viewstation DCP 7.2
• Polycom Viewstation FX VS 4000 4.1.5
• Polycom Viewstation H.323 6.5.1
• Polycom Viewstation H.323 7.2
• Polycom Viewstation MP 6.5.1
• Polycom Viewstation MP 7.2
• Polycom Viewstation SP 384 6.5.1
• Polycom Viewstation SP 384 7.2
• Polycom Viewstation V.35 6.5.1
• Polycom Viewstation V.35 7.2

Reported:

Sep 04, 2002

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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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