Nortel Multimedia Communication Server 5100 UFTP denial of service

nortel-mcs-5100-uftp-dos (45751) The risk level is classified as MediumMedium Risk

Description:

Nortel Multimedia Communication Server 5100 is vulnerable to a denial of service, caused by multiple implementation errors of the UNIStim File Transfer Protocol (UFTP). By sending specially-crafted UFTP messages with malicious "Connection Details" fields, a remote attacker could exploit this vulnerability to cause a denial of service.

*CVSS:

Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.7
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of Nortel Multimedia Communication Server 5100 (3.5.9 or later), available from the NORTEL Web site. See References.

References:

  • NORTEL BULLETIN ID: 2008009103, Rev 1: Nortel Response to VoIPshield VSRNT-2008-011 - MCS 5100 IPCM UFTP Multiple DoS Vulnerabilities.
  • NORTEL Web site: Multimedia Communication Server 5100.
  • VoIP Security Advisory, 2008-10-08: Nortel Multimedia Communications Server 5100 IP Client Manager UNIStim File Transfer Protocol - Connection Details.
  • BID-31633: Nortel MCS 5100 UFTP Multiple Denial of Service Vulnerabilities
  • CVE-2008-5872: Multiple unspecified vulnerabilities in the UNIStim File Transfer Protocol (UFTP) processing in IP Client Manager (IPCM) in Nortel Multimedia Communication Server (MSC) 5100 3.0.13 allow remote attackers to cause a denial of service (device outage) via a UFTP message that has a negative block size or other crafted Connection Details values.
  • OSVDB ID: 49103: Nortel Multimedia Communication Server 5100 Client Manager UNIStim FTP Multiple Method Remote DoS
  • SA32203: Nortel Multimedia Communication Server 5100 Multiple Vulnerabilities

Platforms Affected:

  • Nortel Multimedia Communication Server 5100 3.0.13

Reported:

Oct 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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