Novell GroupWise Messenger nmma.exe denial of service

groupwisemessenger-nmma-dos (29319) The risk level is classified as MediumMedium Risk

Description:

Novell GroupWise Messenger is vulnerable to a denial of service, caused by improper validation if an HTTP POST request. By sending an invalid 'val' parameter, a remote attacker could cause a NULL pointer dereference which could cause the server to crash.

*CVSS:

Base Score: 5
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Complete
 
Temporal Score: 4.4
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to Novell Technical Information Document TID2974452 for patch, upgrade, or suggested workaround information. See References.

References:

  • iDEFENSE ADVISORY: 10.02.06: Novell GroupWise Messenger nmma.exe DoS Vulnerability.
  • Novell GroupWise Web site: NOVELL: Novell GroupWise.
  • Novell Technical Information Document TID2974452: GroupWise Messenger 1.0.6 Agents .
  • BID-20316: Novell GroupWise Messenger Server Nmma.EXE Denial of Service Vulnerability
  • CVE-2006-4511: Messenger Agents (nmma.exe) in Novell GroupWise 2.0.2 and 1.0.6 allows remote attackers to cause a denial of service (crash) via a crafted HTTP POST request to TCP port 8300 with a modified val parameter, which triggers a null dereference related to zero-size strings in blowfish routines.
  • SA22244: GroupWise Messenger Blowfish Zero-Sized Strings Denial of Service
  • SECTRACK ID: 1016974: Novell GroupWise Messenger Agents Blowfish Error Lets Remote Users Deny Service
  • US-CERT VU#796956: Novell GroupWise Messenger fails to properly handle HTTP POST requests.
  • VUPEN/ADV-2006-3893: Novell GroupWise Messenger Blowfish Routines Denial of Service Vulnerability

Platforms Affected:

  • Novell GroupWise Messenger 1.0.6
  • Novell GroupWise Messenger 2.0.2

Reported:

Oct 02, 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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